Exposure
ID
GRAVI.2025-12-16T02:09:32.672_1
Header ID
GRAVI.2025-12-16T02:09:32.672
Date updated
2025-12-16 02:21:13 UTC+0000
Release date
2025-12-16 02:09:32 UTC+0000
UTC Start
2025-12-16 02:09:32.672
UTC End
2025-12-16 02:11:32.672
MJD Start
61025.08996148
MJD End
61025.091350368886
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.0044205
Ambient temperature (°C)
10.61
Seeing (arcsec)
1.0
Observation
ID
72319
Category
calibrator
Program ID
116.2901.001
Program Title
A NON-INTERACTING BLACK HOLE HIDING AROUND A CHEMICALLY PECULIAR B-STAR?
Program Type
Normal
PI / COI
ROWAN / THOMPSON / KRAUS
Target
ID
53718
Name
HD_38768
RA
87.054036
DEC
1.70833
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6570 48.6570 143.1000 143.1000
A0-J2 100.3280 101.1110 94.7000 94.7000
A0-J6 136.5500 136.6640 6.5110 6.9010
B5-J2 77.1560 77.8750 66.6000 66.8000
B5-J6 175.1210 175.0470 355.5070 355.8080
J2-J6 166.8600 166.7630 329.5780 329.6180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.2901.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61025.08996148
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 38768
HIERARCH ESO INS SOBJ NAME HD_38768
RA 87.054036
DEC 1.70833
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 135.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 48.657
HIERARCH ESO ISS PBL12 END 48.657
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 100.328
HIERARCH ESO ISS PBL13 END 101.111
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 136.55
HIERARCH ESO ISS PBL14 END 136.664
HIERARCH ESO ISS PBLA14 START 6.511
HIERARCH ESO ISS PBLA14 END 6.901
HIERARCH ESO ISS PBL23 START 77.156
HIERARCH ESO ISS PBL23 END 77.875
HIERARCH ESO ISS PBLA23 START 66.6
HIERARCH ESO ISS PBLA23 END 66.8
HIERARCH ESO ISS PBL24 START 175.121
HIERARCH ESO ISS PBL24 END 175.047
HIERARCH ESO ISS PBLA24 START 355.507
HIERARCH ESO ISS PBLA24 END 355.808
HIERARCH ESO ISS PBL34 START 166.86
HIERARCH ESO ISS PBL34 END 166.763
HIERARCH ESO ISS PBLA34 START 329.578
HIERARCH ESO ISS PBLA34 END 329.618
HIERARCH ESO ISS AMBI TAU0 START 0.004366
HIERARCH ESO ISS AMBI TAU0 END 0.004475
HIERARCH ESO ISS AMBI TEMP 10.61
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 1.01