Exposure
ID
GRAVI.2025-10-12T08:00:25.847_1
Header ID
GRAVI.2025-10-12T08:00:25.847
Date updated
2025-10-12 08:11:00 UTC+0000
Release date
2025-10-12 08:00:25 UTC+0000
UTC Start
2025-10-12 08:00:25.847
UTC End
2025-10-12 08:03:05.847
MJD Start
60960.33363249
MJD End
60960.33548434186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008709499999999998
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.9450000000000001
Observation
ID
70914
Category
calibrator
Program ID
116.28NF.001
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
52622
Name
HD_43776
RA
94.568939
DEC
3.98448
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 47.7180 47.6440 143.4000 143.5000
A0-J2 119.3180 119.9460 94.4000 94.4000
A0-J6 138.7100 139.0960 17.6720 18.1160
B5-J2 95.0850 95.8030 72.2000 72.3000
B5-J6 171.0340 171.1490 4.5860 4.9980
J2-J6 160.9360 160.6380 331.4790 331.6260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60960.33363249
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 43776
HIERARCH ESO INS SOBJ NAME HD_43776
RA 94.568939
DEC 3.98448
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.718
HIERARCH ESO ISS PBL12 END 47.644
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.5
HIERARCH ESO ISS PBL13 START 119.318
HIERARCH ESO ISS PBL13 END 119.946
HIERARCH ESO ISS PBLA13 START 94.4
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 138.71
HIERARCH ESO ISS PBL14 END 139.096
HIERARCH ESO ISS PBLA14 START 17.672
HIERARCH ESO ISS PBLA14 END 18.116
HIERARCH ESO ISS PBL23 START 95.085
HIERARCH ESO ISS PBL23 END 95.803
HIERARCH ESO ISS PBLA23 START 72.2
HIERARCH ESO ISS PBLA23 END 72.3
HIERARCH ESO ISS PBL24 START 171.034
HIERARCH ESO ISS PBL24 END 171.149
HIERARCH ESO ISS PBLA24 START 4.586
HIERARCH ESO ISS PBLA24 END 4.998
HIERARCH ESO ISS PBL34 START 160.936
HIERARCH ESO ISS PBL34 END 160.638
HIERARCH ESO ISS PBLA34 START 331.479
HIERARCH ESO ISS PBLA34 END 331.626
HIERARCH ESO ISS AMBI TAU0 START 0.008426
HIERARCH ESO ISS AMBI TAU0 END 0.008993
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.98