Exposure
ID
GRAVI.2025-11-27T00:55:41.023_1
Header ID
GRAVI.2025-11-27T00:55:41.023
Date updated
2025-11-27 01:05:56 UTC+0000
Release date
2025-11-27 00:55:41 UTC+0000
UTC Start
2025-11-27 00:55:41.023
UTC End
2025-11-27 00:56:00.223
MJD Start
61006.03866925
MJD End
61006.03889147223
Exposure time (s)
19.2
Validation level
1
Tau 0: Coherence time (s)
0.006271
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.76
Observation
ID
71864
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
53346
Name
HD_787
RA
3.040745
DEC
-17.93842
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.0870 48.0760 154.0000 154.1000
A0-J2 128.4380 128.3890 94.8000 94.8000
A0-J6 169.4020 169.4180 28.5770 28.6490
B5-J2 111.7750 111.7530 73.1000 73.1000
B5-J6 201.1400 201.1570 17.3460 17.4230
J2-J6 166.2090 166.1860 343.5870 343.6750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61006.03866925
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 787
HIERARCH ESO INS SOBJ NAME HD_787
RA 3.040745
DEC -17.93842
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
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 50.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 48.087
HIERARCH ESO ISS PBL12 END 48.076
HIERARCH ESO ISS PBLA12 START 154.0
HIERARCH ESO ISS PBLA12 END 154.1
HIERARCH ESO ISS PBL13 START 128.438
HIERARCH ESO ISS PBL13 END 128.389
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 169.402
HIERARCH ESO ISS PBL14 END 169.418
HIERARCH ESO ISS PBLA14 START 28.577
HIERARCH ESO ISS PBLA14 END 28.649
HIERARCH ESO ISS PBL23 START 111.775
HIERARCH ESO ISS PBL23 END 111.753
HIERARCH ESO ISS PBLA23 START 73.1
HIERARCH ESO ISS PBLA23 END 73.1
HIERARCH ESO ISS PBL24 START 201.14
HIERARCH ESO ISS PBL24 END 201.157
HIERARCH ESO ISS PBLA24 START 17.346
HIERARCH ESO ISS PBLA24 END 17.423
HIERARCH ESO ISS PBL34 START 166.209
HIERARCH ESO ISS PBL34 END 166.186
HIERARCH ESO ISS PBLA34 START 343.587
HIERARCH ESO ISS PBLA34 END 343.675
HIERARCH ESO ISS AMBI TAU0 START 0.006271
HIERARCH ESO ISS AMBI TAU0 END 0.006271
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76