Exposure
ID
GRAVI.2025-11-12T00:05:57.279_1
Header ID
GRAVI.2025-11-12T00:05:57.279
Date updated
2025-11-12 00:11:19 UTC+0000
Release date
2025-11-12 00:05:57 UTC+0000
UTC Start
2025-11-12 00:05:57.279
UTC End
2025-11-12 00:06:05.279
MJD Start
60991.00413517
MJD End
60991.00422776259
Exposure time (s)
8.0
Validation level
1
Tau 0: Coherence time (s)
0.005935
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.88
Observation
ID
71521
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
53106
Name
HD_221069
RA
352.324822
DEC
-54.50115
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 51.7460 51.7380 23.5000 23.6000
U1-U3 95.2950 95.2790 29.9000 30.0000
U1-U4 128.5960 128.5810 56.0490 56.1130
U2-U3 44.2510 44.2440 37.4000 37.5000
U2-U4 89.3970 89.3990 74.1750 74.2430
U3-U4 60.0770 60.0910 100.3140 100.3790
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 60991.00413517
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 221069
HIERARCH ESO INS SOBJ NAME HD_221069
RA 352.324822
DEC -54.50115
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 24.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 51.746
HIERARCH ESO ISS PBL12 END 51.738
HIERARCH ESO ISS PBLA12 START 23.5
HIERARCH ESO ISS PBLA12 END 23.6
HIERARCH ESO ISS PBL13 START 95.295
HIERARCH ESO ISS PBL13 END 95.279
HIERARCH ESO ISS PBLA13 START 29.9
HIERARCH ESO ISS PBLA13 END 30.0
HIERARCH ESO ISS PBL14 START 128.596
HIERARCH ESO ISS PBL14 END 128.581
HIERARCH ESO ISS PBLA14 START 56.049
HIERARCH ESO ISS PBLA14 END 56.113
HIERARCH ESO ISS PBL23 START 44.251
HIERARCH ESO ISS PBL23 END 44.244
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.5
HIERARCH ESO ISS PBL24 START 89.397
HIERARCH ESO ISS PBL24 END 89.399
HIERARCH ESO ISS PBLA24 START 74.175
HIERARCH ESO ISS PBLA24 END 74.243
HIERARCH ESO ISS PBL34 START 60.077
HIERARCH ESO ISS PBL34 END 60.091
HIERARCH ESO ISS PBLA34 START 100.314
HIERARCH ESO ISS PBLA34 END 100.379
HIERARCH ESO ISS AMBI TAU0 START 0.005935
HIERARCH ESO ISS AMBI TAU0 END 0.005935
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88