Exposure
ID
GRAVI.2025-10-12T07:53:46.830_1
Header ID
GRAVI.2025-10-12T07:53:46.830
Date updated
2025-10-12 08:01:14 UTC+0000
Release date
2025-10-12 07:53:46 UTC+0000
UTC Start
2025-10-12 07:53:46.830
UTC End
2025-10-12 07:56:26.830
MJD Start
60960.32901424
MJD End
60960.330866091856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.010155
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.9099999999999999
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 47.8760 47.8080 143.3000 143.4000
A0-J2 117.8290 118.5000 94.6000 94.5000
A0-J6 137.8660 138.2350 16.6550 17.1110
B5-J2 93.4110 94.1600 72.0000 72.1000
B5-J6 170.8090 170.9020 3.6570 4.0710
J2-J6 161.5920 161.3050 331.1690 331.3050
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 60960.32901424
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 47.876
HIERARCH ESO ISS PBL12 END 47.808
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.4
HIERARCH ESO ISS PBL13 START 117.829
HIERARCH ESO ISS PBL13 END 118.5
HIERARCH ESO ISS PBLA13 START 94.6
HIERARCH ESO ISS PBLA13 END 94.5
HIERARCH ESO ISS PBL14 START 137.866
HIERARCH ESO ISS PBL14 END 138.235
HIERARCH ESO ISS PBLA14 START 16.655
HIERARCH ESO ISS PBLA14 END 17.111
HIERARCH ESO ISS PBL23 START 93.411
HIERARCH ESO ISS PBL23 END 94.16
HIERARCH ESO ISS PBLA23 START 72.0
HIERARCH ESO ISS PBLA23 END 72.1
HIERARCH ESO ISS PBL24 START 170.809
HIERARCH ESO ISS PBL24 END 170.902
HIERARCH ESO ISS PBLA24 START 3.657
HIERARCH ESO ISS PBLA24 END 4.071
HIERARCH ESO ISS PBL34 START 161.592
HIERARCH ESO ISS PBL34 END 161.305
HIERARCH ESO ISS PBLA34 START 331.169
HIERARCH ESO ISS PBLA34 END 331.305
HIERARCH ESO ISS AMBI TAU0 START 0.008881
HIERARCH ESO ISS AMBI TAU0 END 0.011429
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.87