Exposure
ID
GRAVI.2025-11-02T23:22:55.156_1
Header ID
GRAVI.2025-11-02T23:22:55.156
Date updated
2025-11-02 23:31:01 UTC+0000
Release date
2025-11-02 23:22:55 UTC+0000
UTC Start
2025-11-02 23:22:55.156
UTC End
2025-11-02 23:23:27.156
MJD Start
60981.97424949
MJD End
60981.97461986037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.003164
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.94
Observation
ID
71094
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
52774
Name
HD_204873
RA
323.31963
DEC
-52.73785
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.3930 88.4350 112.6000 112.8000
A0-J2 129.1650 129.1740 91.7000 91.9000
A0-K0 126.6640 126.6230 72.3770 72.5390
G1-J2 56.2200 56.1900 57.7000 57.8000
G1-K0 82.2250 82.1830 28.4110 28.5240
J2-K0 43.0800 43.0900 348.7800 348.8790
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 60981.97424949
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 204873
HIERARCH ESO INS SOBJ NAME HD_204873
RA 323.31963
DEC -52.73785
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 88.393
HIERARCH ESO ISS PBL12 END 88.435
HIERARCH ESO ISS PBLA12 START 112.6
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 129.165
HIERARCH ESO ISS PBL13 END 129.174
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.9
HIERARCH ESO ISS PBL14 START 126.664
HIERARCH ESO ISS PBL14 END 126.623
HIERARCH ESO ISS PBLA14 START 72.377
HIERARCH ESO ISS PBLA14 END 72.539
HIERARCH ESO ISS PBL23 START 56.22
HIERARCH ESO ISS PBL23 END 56.19
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 82.225
HIERARCH ESO ISS PBL24 END 82.183
HIERARCH ESO ISS PBLA24 START 28.411
HIERARCH ESO ISS PBLA24 END 28.524
HIERARCH ESO ISS PBL34 START 43.08
HIERARCH ESO ISS PBL34 END 43.09
HIERARCH ESO ISS PBLA34 START 348.78
HIERARCH ESO ISS PBLA34 END 348.879
HIERARCH ESO ISS AMBI TAU0 START 0.003164
HIERARCH ESO ISS AMBI TAU0 END 0.003164
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.94