Subject: 2.5m obslog 20170620 (SJD 57925) From: elenam@apo.nmsu.edu Date: Wed, 21 Jun 2017 11:00:46 +0000 (UTC) APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Tuesday June 20, 2017 (SJD 57925) ---- Observing Team ---- Kaike Pan Elena Malanushenko ---- Observing Plan ---- Tue 20 JUN 2017 57925.0 0.16 03:37 10:33 14:32 21:29 ---- MaNGA until 08:08 ( 4.5 h), then eBOSS ( 2.4 h) ---- Observing Summary ---- Almost all night was lost because of bad weather. Manga lost 4.5 h and eBoss lost 1.4 h. eBOSS: ====== Cart 13, Plate 8542; GSoGTF; eBOSS; 2x900s; not-completed Notes ==== LUI could not save several sections of night log at first time, lost contents, so I needed to retype it. Dust 1500 counts. ---- Observing Log ---- Afternoon: ========= BOSS collimation was checked with cart 5, SP1 and SP2 focus ring was adjusted by +3, +4 degrees. 23:57:16 Hartmann collimate output on cart #5 sp1: offset: r= 0 (In Focus); b= -0.2 (In Focus) sp2: offset: r= 631 (In Focus); b= 2.0 (In Focus) sp1: pred. move: spAverageMove= 32 sp2: pred. move: spAverageMove= 0 sp1: pred. resid: r= -32, b= -0.1, txt= OK, spTemp = 16.0 sp2: pred. resid: r= 630, b= 2.0, txt= OK, spTemp = 15.3 Guider cart= 5, plate= 8322, side= A (loaded); ---------- motorPosition sp1: 2976, 2933, 2986; sp2: 3914, 3886, 3943; ---------- Median spectrographs temperatures: Tsp1= 16.0, Tsp2= 15.3; Outside air temperature= 22.3; APOGEE evening calibs was taken, checked. Disk space was checked. Nearby radar prevents us to start evening ventilation. Night -------- 4:48 Started ventilation 07:32:14 encl25m : open; 07:34:11 - apogee 1m connected and started ------------ eBoss ------------ Cart 13, Plate 8542;mounted 07:37:16 Hartmann collimate output on cart #13 sp1: offset: r= -2638 (Out of focus); b= 8.9 (Out of focus) sp2: offset: r= -3155 (Out of focus); b= 11.9 (Out of focus) sp1: pred. move: spAverageMove= -2733 sp2: pred. move: spAverageMove= -3468 sp1: pred. resid: r= 95, b= 0.3, txt= OK, spTemp = 15.4 sp2: pred. resid: r= 313, b= 1.0, txt= OK, spTemp = 14.7 07:48:58 boss exposure 900.0, file=246615 08:05:19 boss exposure 900.0, file=246616 08:21:40 boss exposure 900.0, file=246617 08:37:09 guider = stopping; Low clouds again, radar return, and flashing on NE. We aborted exposure and closed. 08:42:14 encl25m : closed; ---- BOSS Spectrographs Collimation Summary ---- 07:37:16 Hartmann collimate output on cart #13 sp1: offset: r= -2638 (Out of focus); b= 8.9 (Out of focus) sp2: offset: r= -3155 (Out of focus); b= 11.9 (Out of focus) sp1: pred. move: spAverageMove= -2733 sp2: pred. move: spAverageMove= -3468 sp1: pred. resid: r= 95, b= 0.3, txt= OK, spTemp = 15.4 sp2: pred. resid: r= 313, b= 1.0, txt= OK, spTemp = 14.7 ---- Mirror Numbers ---- PRIMARY: -------- Scale: 1.000000; MIGS TONIGHT NOMINAL Axial A: 0.006 0.003 Axial B: 0.747 0.748 Axial C: 0.524 0.51 Trans D: 0.985 0.997 Lateral E: 9.1186 9.1186 Lateral F: 14.3129 14.2748 GALILS Commanded: 10250 -900 6850 16950 4850 5000 Actual: 10250 -900 6850 16950 4850 5000 SETMIR VALUES PrimDesOrient: 0.0 3.12 -1.95 -106.75 -170.8 PrimOrient: 0.0 3.04 -1.75 -107.3 -171.7 SECONDARY: ---------- Focus: 0.0000 Air temp: 23 Altitude: 30.0 MIGS TONIGHT NOMINAL Axial A: 0.02315 0.0231 Axial B: -6.647 -6.651 Axial C: -1.303 -1.3 Trans D: -0.19 -0.186 GALILS Commanded: 1615400 1562050 1617050 -8250 -15650 Actual: 1598981 1567359 1585028 -8250 -15650 SETMIR VALUES SecDesOrient: 1257.0 -2.03 -9.35 40.0 278.8 SecOrient: 1256.68 -2.54 -9.4 39.81 279.23 ---- Telescope Offsets and Scale ---- Time Inst Az Alt Rot objArcOff guideRot calibOff -------------------------------------------------------------------------------- 07:42 13-8542A 233.0 61.9 74.1 ( -4.5, 2.0) (174.9) ( 7.2, 14.4, 0.0) 07:48 13-8542A 233.6 60.9 75.6 ( -2.9, 1.6) (169.5) ( 7.2, 14.4, 0.0) boss 08:04 13-8542A 234.8 58.1 79.6 ( -3.1, 1.3) (167.7) ( 7.2, 14.4, 0.0) boss 08:21 13-8542A 235.5 55.3 83.1 ( -3.2, 1.5) (172.4) ( 7.2, 14.4, 0.0) boss 10:28 13-8542A 121.0 29.7 0.0 ( 0.0, 0.0) ( 0.0) ( 7.2, 14.4, 0.0) boss ---- Focus Log ---- Time Inst Scale M1 M2 Focus Az Alt Temp Wind Dir -------------------------------------------------------------------------------- 07:42 13-8542A 1.000300 -2962 -187 300 233.0 61.9 16.6 5 126 4.3 07:48 13-8542A 1.000376 -3711 -1868 55 233.6 60.9 16.6 7 141 1.8 boss 08:04 13-8542A 1.000378 -3727 -1836 97 234.8 58.1 15.9 8 131 2.0 boss 08:21 13-8542A 1.000374 -3695 -1806 88 235.5 55.3 16.2 9 132 2.2 boss 10:28 13-8542A 1.000393 -3883 -1877 81 121.0 29.7 17.0 14 84 2.0 boss ---- Telescope Status ---- 07:43:02 encl25m : open; 08:42:14 encl25m : closed; No interlocks bypassed Status at: 10:48:39 Telescope stowed at: 121.0, 29.7, 0.0 mount Instrument mounted: cartridge = 13 Counterweights at: 427, 425, 427, 427 LN2 autofill systems: Connected and turned on -180L LN2 dewar scales: SP1 182.0 lbs, 19.2 psi SP2 163.5 lbs, 19.9 psi ---- Software Used ---- STUI : 1.7.1b6 alerts : trunk apo : trunk+svn158476M boss : v4_0 -boss.specMec : 3.0.4 gcamera : v2_2 guider : v3_7 hartmann : v1_5 hub : Tag: v4.2 mcp : NOSVN -mcp.plc : 34 -mcp.azFiduci : v1_126 -mcp.altFiduc : v1_126 -mcp.rotFiduc : v1_126 platedb : v2_7 sop : v3_9_4 tcc : 1.2.2 apogee : not availble apogeecal : not availble apogeeql : v1_6_1 APO-local : trunk idlspec2d : v5_7_12 plate-mapper3 : NOCVS:v6_0_9 petunia : trunk autoscheduler : avoid_cart2 sdss_python_module: v2_6 mangadrp : trunk exported ---- APOGEE Data Summary ---- APOGEE data list, mjd=57925, all raw_data: /data/apogee/utr_cdr/57925/apRaw-*.fits archive: /data/apogee/archive/57925/apR-[a,b,c]-*.apz quickred: /data/apogee/archive/57925/apR-[a,b,c]-*.apz -------------------------------------------------------------------------------- mjd i UT File/Exp Imtype Nread A/B Dth Ct-Plate Arch Offset %Flux Comm -------------------------------------------------------------------------------- 57925 1 23:31 23630001 Dark 3 B 13.5 5-8322 a-b-c - - 57925 2 23:33 23630002 Dark 60 B 13.5 5-8322 a-b-c - - 57925 3 23:43 23630003 QuarFlat 10 B 13.5 5-8322 a-b-c - 64 57925 4 23:45 23630004 Arc-Thar 12 A 13.0 5-8322 a-b-c -1.73 - 57925 5 23:48 23630005 Arc-Une 40 A 13.0 5-8322 a-b-c - - 57925 6 23:55 23630006 Arc-Thar 12 B 13.5 5-8322 a-b-c -1.22 - 57925 7 23:57 23630007 Arc-Une 40 B 13.5 5-8322 a-b-c - - 57925 8 00:05 23630008 Dark 60 A 13.0 5-8322 a-b-c - - 57925 9 10:10 23630009 Dark 60 A 13.0 13-8542 a-b-c - - 57925 10 10:28 23630010 Dark 60 A 13.0 ------- x-x-x - - -------------------------------------------------------------------------------- ---- eBOSS Data Summary ---- Reading FITS from /data/spectro/57925/ 1 07:35 b1-00246611 13 8542 arc Lef 4.1 2976 2933 2986 HART 07:35 b2-00246611 13 8542 arc Lef 4.2 3914 3881 3943 HART 07:35 r1-00246611 13 8542 arc Lef 4.1 2976 2933 2986 HART 07:35 r2-00246611 13 8542 arc Lef 4.2 3914 3881 3943 HART 2 07:36 b1-00246612 13 8542 arc Rig 4.1 2976 2933 2986 HART 07:36 b2-00246612 13 8542 arc Rig 4.2 3914 3881 3943 HART 07:36 r1-00246612 13 8542 arc Rig 4.1 2976 2933 2986 HART 07:36 r2-00246612 13 8542 arc Rig 4.2 3914 3881 3943 HART 3 07:37 b1-00246613 13 8542 arc Out 4.1 244 200 253 07:37 b2-00246613 13 8542 arc Out 4.2 447 414 475 07:37 r1-00246613 13 8542 arc Out 4.1 244 200 253 07:37 r2-00246613 13 8542 arc Out 4.2 447 414 475 4 07:39 b1-00246614 13 8542 fla Out 25.1 244 200 253 07:39 b2-00246614 13 8542 fla Out 25.2 447 414 475 07:39 r1-00246614 13 8542 fla Out 25.1 244 200 253 07:39 r2-00246614 13 8542 fla Out 25.2 447 414 475 5 07:48 b1-00246615 13 8542 sci Out 900.1 244 200 253 07:48 b2-00246615 13 8542 sci Out 900.2 447 414 475 07:48 r1-00246615 13 8542 sci Out 900.1 244 200 253 07:48 r2-00246615 13 8542 sci Out 900.2 447 414 475 6 08:05 b1-00246616 13 8542 sci Out 900.0 244 200 253 08:05 b2-00246616 13 8542 sci Out 900.2 447 414 475 08:05 r1-00246616 13 8542 sci Out 900.0 244 200 253 08:05 r2-00246616 13 8542 sci Out 900.2 447 414 475 7 08:21 b1-00246617 13 8542 sci Out 900.1 244 200 253 08:21 b2-00246617 13 8542 sci Out 900.2 447 414 475 08:21 r1-00246617 13 8542 sci Out 900.1 244 200 253 08:21 r2-00246617 13 8542 sci Out 900.2 447 414 475 8 10:02 b1-00246618 13 8542 bia Clo 0.0 244 200 253 10:02 b2-00246618 13 8542 bia Clo 0.0 447 414 475 10:02 r1-00246618 13 8542 bia Clo 0.0 244 200 253 10:02 r2-00246618 13 8542 bia Clo 0.0 447 414 475 9 10:03 b1-00246619 13 8542 bia Clo 0.0 244 200 253 10:03 b2-00246619 13 8542 bia Clo 0.0 447 414 475 10:03 r1-00246619 13 8542 bia Clo 0.0 244 200 253 10:03 r2-00246619 13 8542 bia Clo 0.0 447 414 475 10 10:05 b1-00246620 13 8542 bia Clo 0.0 244 200 253 10:05 b2-00246620 13 8542 bia Clo 0.0 447 414 475 10:05 r1-00246620 13 8542 bia Clo 0.0 244 200 253 10:05 r2-00246620 13 8542 bia Clo 0.0 447 414 475 11 10:06 b1-00246621 13 8542 bia Clo 0.0 244 200 253 10:06 b2-00246621 13 8542 bia Clo 0.0 447 414 475 10:06 r1-00246621 13 8542 bia Clo 0.0 244 200 253 10:06 r2-00246621 13 8542 bia Clo 0.0 447 414 475 12 10:07 b1-00246622 13 8542 bia Clo 0.0 244 200 253 10:07 b2-00246622 13 8542 bia Clo 0.0 447 414 475 10:07 r1-00246622 13 8542 bia Clo 0.0 244 200 253 10:07 r2-00246622 13 8542 bia Clo 0.0 447 414 475 13 10:09 b1-00246623 13 8542 bia Clo 0.0 244 200 253 10:09 b2-00246623 13 8542 bia Clo 0.0 447 414 475 10:09 r1-00246623 13 8542 bia Clo 0.0 244 200 253 10:09 r2-00246623 13 8542 bia Clo 0.0 447 414 475 14 10:10 b1-00246624 13 8542 bia Clo 0.0 244 200 253 10:10 b2-00246624 13 8542 bia Clo 0.0 447 414 475 10:10 r1-00246624 13 8542 bia Clo 0.0 244 200 253 10:10 r2-00246624 13 8542 bia Clo 0.0 447 414 475 15 10:11 b1-00246625 13 8542 bia Clo 0.0 244 200 253 10:11 b2-00246625 13 8542 bia Clo 0.0 447 414 475 10:11 r1-00246625 13 8542 bia Clo 0.0 244 200 253 10:11 r2-00246625 13 8542 bia Clo 0.0 447 414 475 16 10:13 b1-00246626 13 8542 bia Clo 0.0 244 200 253 10:13 b2-00246626 13 8542 bia Clo 0.0 447 414 475 10:13 r1-00246626 13 8542 bia Clo 0.0 244 200 253 10:13 r2-00246626 13 8542 bia Clo 0.0 447 414 475 17 10:14 b1-00246627 13 8542 bia Clo 0.0 244 200 253 10:14 b2-00246627 13 8542 bia Clo 0.0 447 414 475 10:14 r1-00246627 13 8542 bia Clo 0.0 244 200 253 10:14 r2-00246627 13 8542 bia Clo 0.0 447 414 475 18 10:15 b1-00246628 13 8542 bia Clo 0.0 244 200 253 10:15 b2-00246628 13 8542 bia Clo 0.0 447 414 475 10:15 r1-00246628 13 8542 bia Clo 0.0 244 200 253 10:15 r2-00246628 13 8542 bia Clo 0.0 447 414 475 19 10:17 b1-00246629 13 8542 bia Clo 0.0 244 200 253 10:17 b2-00246629 13 8542 bia Clo 0.0 447 414 475 10:17 r1-00246629 13 8542 bia Clo 0.0 244 200 253 10:17 r2-00246629 13 8542 bia Clo 0.0 447 414 475 20 10:18 b1-00246630 13 8542 bia Clo 0.0 244 200 253 10:18 b2-00246630 13 8542 bia Clo 0.0 447 414 475 10:18 r1-00246630 13 8542 bia Clo 0.0 244 200 253 10:18 r2-00246630 13 8542 bia Clo 0.0 447 414 475 21 10:19 b1-00246631 13 8542 bia Clo 0.0 244 200 253 10:19 b2-00246631 13 8542 bia Clo 0.0 447 414 475 10:19 r1-00246631 13 8542 bia Clo 0.0 244 200 253 10:19 r2-00246631 13 8542 bia Clo 0.0 447 414 475 22 10:21 b1-00246632 13 8542 bia Clo 0.0 244 200 253 10:21 b2-00246632 13 8542 bia Clo 0.0 447 414 475 10:21 r1-00246632 13 8542 bia Clo 0.0 244 200 253 10:21 r2-00246632 13 8542 bia Clo 0.0 447 414 475 23 10:22 b1-00246633 13 8542 bia Clo 0.0 244 200 253 10:22 b2-00246633 13 8542 bia Clo 0.0 447 414 475 10:22 r1-00246633 13 8542 bia Clo 0.0 244 200 253 10:22 r2-00246633 13 8542 bia Clo 0.0 447 414 475 24 10:23 b1-00246634 13 8542 bia Clo 0.0 244 200 253 10:23 b2-00246634 13 8542 bia Clo 0.0 447 414 475 10:23 r1-00246634 13 8542 bia Clo 0.0 244 200 253 10:23 r2-00246634 13 8542 bia Clo 0.0 447 414 475 25 10:25 b1-00246635 13 8542 bia Clo 0.0 244 200 253 10:25 b2-00246635 13 8542 bia Clo 0.0 447 414 475 10:25 r1-00246635 13 8542 bia Clo 0.0 244 200 253 10:25 r2-00246635 13 8542 bia Clo 0.0 447 414 475 26 10:26 b1-00246636 13 8542 bia Clo 0.0 244 200 253 10:26 b2-00246636 13 8542 bia Clo 0.0 447 414 475 10:26 r1-00246636 13 8542 bia Clo 0.0 244 200 253 10:26 r2-00246636 13 8542 bia Clo 0.0 447 414 475 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --- OK --- ---- MaNGA Data Summary ---- Reading FITS from /data/spectro/57925/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - n time filename crt plt flav Shu Dth exp colA colB colC Hrt b1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 23:31 b1-00246594 5 8322 bia Clo N 0.0 3352 3317 3360 23:31 b2-00246594 5 8322 bia Clo N 0.0 1710 1674 1735 23:31 r1-00246594 5 8322 bia Clo N 0.0 3352 3317 3360 23:31 r2-00246594 5 8322 bia Clo N 0.0 1710 1674 1735 2 23:33 b1-00246595 5 8322 dar Clo N 20.0 3352 3317 3360 23:33 b2-00246595 5 8322 dar Clo N 20.0 1710 1674 1735 23:33 r1-00246595 5 8322 dar Clo N 20.0 3352 3317 3360 23:33 r2-00246595 5 8322 dar Clo N 20.0 1710 1674 1735 3 23:35 b1-00246596 5 8322 arc Lef N 4.1 3352 3317 3360 HART 23:35 b2-00246596 5 8322 arc Lef N 4.2 1710 1674 1735 HART 23:35 r1-00246596 5 8322 arc Lef N 4.1 3352 3317 3360 HART 23:35 r2-00246596 5 8322 arc Lef N 4.2 1710 1674 1735 HART 4 23:36 b1-00246597 5 8322 arc Rig N 4.1 3352 3317 3360 HART 23:36 b2-00246597 5 8322 arc Rig N 4.2 1710 1674 1735 HART 23:36 r1-00246597 5 8322 arc Rig N 4.1 3352 3317 3360 HART 23:36 r2-00246597 5 8322 arc Rig N 4.2 1710 1674 1735 HART 5 23:40 b1-00246598 5 8322 arc Lef N 4.1 3698 3662 3707 HART 23:40 b2-00246598 5 8322 arc Lef N 4.1 4545 4512 4573 HART 23:40 r1-00246598 5 8322 arc Lef N 4.1 3698 3662 3707 HART 23:40 r2-00246598 5 8322 arc Lef N 4.1 4545 4512 4573 HART 6 23:41 b1-00246599 5 8322 arc Rig N 4.1 3698 3662 3707 HART 23:41 b2-00246599 5 8322 arc Rig N 4.2 4545 4512 4573 HART 23:41 r1-00246599 5 8322 arc Rig N 4.1 3698 3662 3707 HART 23:41 r2-00246599 5 8322 arc Rig N 4.2 4545 4512 4573 HART 7 23:50 b1-00246600 5 8322 arc Lef N 4.1 3881 3846 3890 HART 23:50 b2-00246600 5 8322 arc Lef N 4.2 4545 4512 4573 HART 23:50 r1-00246600 5 8322 arc Lef N 4.1 3881 3846 3890 HART 23:50 r2-00246600 5 8322 arc Lef N 4.2 4545 4512 4573 HART 8 23:51 b1-00246601 5 8322 arc Rig N 4.1 3881 3846 3890 HART 23:51 b2-00246601 5 8322 arc Rig N 4.2 4545 4512 4573 HART 23:51 r1-00246601 5 8322 arc Rig N 4.1 3881 3846 3890 HART 23:51 r2-00246601 5 8322 arc Rig N 4.2 4545 4512 4573 HART 9 23:54 b1-00246602 5 8322 arc Lef N 4.1 2937 2902 2946 HART 23:54 b2-00246602 5 8322 arc Lef N 4.1 3914 3886 3943 HART 23:54 r1-00246602 5 8322 arc Lef N 4.1 2937 2902 2946 HART 23:54 r2-00246602 5 8322 arc Lef N 4.1 3914 3886 3943 HART 10 23:55 b1-00246603 5 8322 arc Rig N 4.1 2937 2902 2946 HART 23:55 b2-00246603 5 8322 arc Rig N 4.2 3914 3886 3943 HART 23:55 r1-00246603 5 8322 arc Rig N 4.1 2937 2902 2946 HART 23:55 r2-00246603 5 8322 arc Rig N 4.2 3914 3886 3943 HART 11 23:58 b1-00246604 5 8322 fla Out N 25.1 2976 2933 2986 23:58 b2-00246604 5 8322 fla Out N 25.1 3914 3886 3943 23:58 r1-00246604 5 8322 fla Out N 25.1 2976 2933 2986 23:58 r2-00246604 5 8322 fla Out N 25.1 3914 3886 3943 12 00:12 b1-00246605 5 8322 fla Out N 25.1 2976 2933 2986 00:12 b2-00246605 5 8322 fla Out N 25.1 3914 3886 3943 00:12 r1-00246605 5 8322 fla Out N 25.1 2976 2933 2986 00:12 r2-00246605 5 8322 fla Out N 25.1 3914 3886 3943 13 00:15 b1-00246606 5 8322 arc Out N 4.1 2976 2933 2986 00:15 b2-00246606 5 8322 arc Out N 4.1 3914 3886 3943 00:15 r1-00246606 5 8322 arc Out N 4.1 2976 2933 2986 00:15 r2-00246606 5 8322 arc Out N 4.1 3914 3886 3943 14 00:21 b1-00246607 5 8322 bia Clo N 0.0 2976 2933 2986 00:21 b2-00246607 5 8322 bia Clo N 0.0 3914 3886 3943 00:21 r1-00246607 5 8322 bia Clo N 0.0 2976 2933 2986 00:21 r2-00246607 5 8322 bia Clo N 0.0 3914 3886 3943 15 00:22 b1-00246608 5 8322 dar Clo N 20.0 2976 2933 2986 00:22 b2-00246608 5 8322 dar Clo N 20.0 3914 3886 3943 00:22 r1-00246608 5 8322 dar Clo N 20.0 2976 2933 2986 00:22 r2-00246608 5 8322 dar Clo N 20.0 3914 3886 3943 16 02:24 b1-00246609 5 8322 bia Clo N 0.0 2976 2933 2986 02:24 b2-00246609 5 8322 bia Clo N 0.0 3914 3886 3943 02:24 r1-00246609 5 8322 bia Clo N 0.0 2976 2933 2986 02:24 r2-00246609 5 8322 bia Clo N 0.0 3914 3886 3943 17 02:26 b1-00246610 5 8322 dar Clo N 20.0 2976 2933 2986 02:26 b2-00246610 5 8322 dar Clo N 20.0 3914 3886 3943 02:26 r1-00246610 5 8322 dar Clo N 20.0 2976 2933 2986 02:26 r2-00246610 5 8322 dar Clo N 20.0 3914 3886 3943 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --- OK --- ---- Weather Log ---- --- Weather --- Time Inst Temp DP Dif Humid Wind Dir Dust,1um IRSC IRSCm -------------------------------------------------------------------------------- 07:42 13-8542A 16.6 7.3 9.3 54 5 126 1529 11.8 332 4.3 07:48 13-8542A 16.6 7.2 9.4 53 7 141 1636 11.8 333 1.8 boss 08:04 13-8542A 15.9 7.1 8.8 56 8 131 1609 20.9 337 2.0 boss 08:21 13-8542A 16.2 6.5 9.7 52 9 132 1504 34.8 335 2.2 boss 10:28 13-8542A 17.0 4.9 12.1 44 14 84 1213 5.8 557 2.0 boss