Exposure
ID
GRAVI.2025-11-27T07:11:08.553_1
Header ID
GRAVI.2025-11-27T07:11:08.553
Date updated
2025-11-27 07:20:54 UTC+0000
Release date
2025-11-27 07:11:08 UTC+0000
UTC Start
2025-11-27 07:11:08.553
UTC End
2025-11-27 07:13:08.553
MJD Start
61006.29940455
MJD End
61006.30079343889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.003412
Ambient temperature (°C)
14.82
Seeing (arcsec)
0.72
Observation
ID
71875
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
53356
Name
HD_41165
RA
90.857436
DEC
3.86207
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 41.7230 41.6150 153.3000 153.6000
A0-J2 125.4240 125.1170 91.7000 91.7000
A0-J6 160.5600 160.8440 32.6260 32.7470
B5-J2 111.8210 111.7600 72.5000 72.5000
B5-J6 185.3800 185.6630 21.4690 21.6530
J2-J6 144.2400 144.0170 344.3920 344.6740
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 61006.29940455
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41165
HIERARCH ESO INS SOBJ NAME HD_41165
RA 90.857436
DEC 3.86207
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 41.723
HIERARCH ESO ISS PBL12 END 41.615
HIERARCH ESO ISS PBLA12 START 153.3
HIERARCH ESO ISS PBLA12 END 153.6
HIERARCH ESO ISS PBL13 START 125.424
HIERARCH ESO ISS PBL13 END 125.117
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 160.56
HIERARCH ESO ISS PBL14 END 160.844
HIERARCH ESO ISS PBLA14 START 32.626
HIERARCH ESO ISS PBLA14 END 32.747
HIERARCH ESO ISS PBL23 START 111.821
HIERARCH ESO ISS PBL23 END 111.76
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 185.38
HIERARCH ESO ISS PBL24 END 185.663
HIERARCH ESO ISS PBLA24 START 21.469
HIERARCH ESO ISS PBLA24 END 21.653
HIERARCH ESO ISS PBL34 START 144.24
HIERARCH ESO ISS PBL34 END 144.017
HIERARCH ESO ISS PBLA34 START 344.392
HIERARCH ESO ISS PBLA34 END 344.674
HIERARCH ESO ISS AMBI TAU0 START 0.002923
HIERARCH ESO ISS AMBI TAU0 END 0.003901
HIERARCH ESO ISS AMBI TEMP 14.82
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.69