Exposure
ID
GRAVI.2025-11-27T07:29:17.599_1
Header ID
GRAVI.2025-11-27T07:29:17.599
Date updated
2025-11-27 07:41:42 UTC+0000
Release date
2025-11-27 07:29:17 UTC+0000
UTC Start
2025-11-27 07:29:17.599
UTC End
2025-11-27 07:31:57.599
MJD Start
61006.31200925
MJD End
61006.31386110186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005223
Ambient temperature (°C)
14.87
Seeing (arcsec)
0.62
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 41.5170 41.3730 153.7000 154.1000
A0-J2 124.9620 124.5270 91.6000 91.6000
A0-J6 160.8930 161.2660 32.8250 32.9790
B5-J2 111.7310 111.6300 72.4000 72.4000
B5-J6 185.6560 186.0340 21.7600 21.9990
J2-J6 143.7450 143.4540 344.7940 345.1750
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 61006.31200925
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 41.517
HIERARCH ESO ISS PBL12 END 41.373
HIERARCH ESO ISS PBLA12 START 153.7
HIERARCH ESO ISS PBLA12 END 154.1
HIERARCH ESO ISS PBL13 START 124.962
HIERARCH ESO ISS PBL13 END 124.527
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.6
HIERARCH ESO ISS PBL14 START 160.893
HIERARCH ESO ISS PBL14 END 161.266
HIERARCH ESO ISS PBLA14 START 32.825
HIERARCH ESO ISS PBLA14 END 32.979
HIERARCH ESO ISS PBL23 START 111.731
HIERARCH ESO ISS PBL23 END 111.63
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 185.656
HIERARCH ESO ISS PBL24 END 186.034
HIERARCH ESO ISS PBLA24 START 21.76
HIERARCH ESO ISS PBLA24 END 21.999
HIERARCH ESO ISS PBL34 START 143.745
HIERARCH ESO ISS PBL34 END 143.454
HIERARCH ESO ISS PBLA34 START 344.794
HIERARCH ESO ISS PBLA34 END 345.175
HIERARCH ESO ISS AMBI TAU0 START 0.00473
HIERARCH ESO ISS AMBI TAU0 END 0.005716
HIERARCH ESO ISS AMBI TEMP 14.87
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.64