Exposure
ID
GRAVI.2025-12-02T01:16:32.291_1
Header ID
GRAVI.2025-12-02T01:16:32.291
Date updated
2025-12-02 01:21:03 UTC+0000
Release date
2025-12-02 01:16:32 UTC+0000
UTC Start
2025-12-02 01:16:32.291
UTC End
2025-12-02 01:17:04.291
MJD Start
61011.05315152
MJD End
61011.05352189037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.002707
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.825
Observation
ID
71946
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
53413
Name
HD_224821
RA
0.220041
DEC
-50.44644
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 90.5060 90.5070 128.0000 128.2000
A0-J2 126.9070 126.8490 107.6000 107.8000
A0-K0 120.0960 119.9870 87.1530 87.3210
G1-J2 52.5760 52.5180 70.8000 70.9000
G1-K0 78.5980 78.5290 38.2540 38.3600
J2-K0 44.4360 44.4380 358.7270 358.8350
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 61011.05315152
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 224821
HIERARCH ESO INS SOBJ NAME HD_224821
RA 0.220041
DEC -50.44644
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 90.506
HIERARCH ESO ISS PBL12 END 90.507
HIERARCH ESO ISS PBLA12 START 128.0
HIERARCH ESO ISS PBLA12 END 128.2
HIERARCH ESO ISS PBL13 START 126.907
HIERARCH ESO ISS PBL13 END 126.849
HIERARCH ESO ISS PBLA13 START 107.6
HIERARCH ESO ISS PBLA13 END 107.8
HIERARCH ESO ISS PBL14 START 120.096
HIERARCH ESO ISS PBL14 END 119.987
HIERARCH ESO ISS PBLA14 START 87.153
HIERARCH ESO ISS PBLA14 END 87.321
HIERARCH ESO ISS PBL23 START 52.576
HIERARCH ESO ISS PBL23 END 52.518
HIERARCH ESO ISS PBLA23 START 70.8
HIERARCH ESO ISS PBLA23 END 70.9
HIERARCH ESO ISS PBL24 START 78.598
HIERARCH ESO ISS PBL24 END 78.529
HIERARCH ESO ISS PBLA24 START 38.254
HIERARCH ESO ISS PBLA24 END 38.36
HIERARCH ESO ISS PBL34 START 44.436
HIERARCH ESO ISS PBL34 END 44.438
HIERARCH ESO ISS PBLA34 START 358.727
HIERARCH ESO ISS PBLA34 END 358.835
HIERARCH ESO ISS AMBI TAU0 START 0.002707
HIERARCH ESO ISS AMBI TAU0 END 0.002707
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.76