Exposure
ID
GRAVI.2025-11-27T06:33:41.458_1
Header ID
GRAVI.2025-11-27T06:33:41.458
Date updated
2025-11-27 06:46:30 UTC+0000
Release date
2026-11-27 06:46:30 UTC+0000
UTC Start
2025-11-27 06:33:41.458
UTC End
2025-11-27 06:37:41.458
MJD Start
61006.2733965
MJD End
61006.27617427778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0036565
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.6799999999999999
Observation
ID
71874
Category
science
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
53355
Name
HD_36881
RA
83.804048
DEC
10.24004
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 39.6110 39.3550 150.3000 150.8000
A0-J2 126.5340 126.0320 90.5000 90.3000
A0-J6 153.1440 153.8770 33.5420 33.7640
B5-J2 111.9710 111.9890 72.7000 72.5000
B5-J6 174.6030 175.2950 21.8550 22.2250
J2-J6 135.4160 134.8590 341.9690 342.5170
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.2901.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61006.2733965
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36881
HIERARCH ESO INS SOBJ NAME HD_36881
RA 83.804048
DEC 10.24004
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 39.611
HIERARCH ESO ISS PBL12 END 39.355
HIERARCH ESO ISS PBLA12 START 150.3
HIERARCH ESO ISS PBLA12 END 150.8
HIERARCH ESO ISS PBL13 START 126.534
HIERARCH ESO ISS PBL13 END 126.032
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 153.144
HIERARCH ESO ISS PBL14 END 153.877
HIERARCH ESO ISS PBLA14 START 33.542
HIERARCH ESO ISS PBLA14 END 33.764
HIERARCH ESO ISS PBL23 START 111.971
HIERARCH ESO ISS PBL23 END 111.989
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 174.603
HIERARCH ESO ISS PBL24 END 175.295
HIERARCH ESO ISS PBLA24 START 21.855
HIERARCH ESO ISS PBLA24 END 22.225
HIERARCH ESO ISS PBL34 START 135.416
HIERARCH ESO ISS PBL34 END 134.859
HIERARCH ESO ISS PBLA34 START 341.969
HIERARCH ESO ISS PBLA34 END 342.517
HIERARCH ESO ISS AMBI TAU0 START 0.003571
HIERARCH ESO ISS AMBI TAU0 END 0.003742
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.67