Exposure
ID
GRAVI.2025-12-01T05:01:58.312_1
Header ID
GRAVI.2025-12-01T05:01:58.312
Date updated
2025-12-01 05:15:57 UTC+0000
Release date
2025-12-01 05:01:58 UTC+0000
UTC Start
2025-12-01 05:01:58.312
UTC End
2025-12-01 05:04:38.312
MJD Start
61010.20970268
MJD End
61010.21155453185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007442
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.59
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 47.2210 47.1310 143.9000 144.0000
A0-J2 122.8540 123.3610 94.0000 93.9000
A0-J6 141.1810 141.6060 20.2940 20.7030
B5-J2 99.2650 99.8980 72.7000 72.7000
B5-J6 171.8940 172.0670 7.0720 7.4730
J2-J6 159.0410 158.7160 332.4410 332.6150
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 61010.20970268
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 47.221
HIERARCH ESO ISS PBL12 END 47.131
HIERARCH ESO ISS PBLA12 START 143.9
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 122.854
HIERARCH ESO ISS PBL13 END 123.361
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 141.181
HIERARCH ESO ISS PBL14 END 141.606
HIERARCH ESO ISS PBLA14 START 20.294
HIERARCH ESO ISS PBLA14 END 20.703
HIERARCH ESO ISS PBL23 START 99.265
HIERARCH ESO ISS PBL23 END 99.898
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.7
HIERARCH ESO ISS PBL24 START 171.894
HIERARCH ESO ISS PBL24 END 172.067
HIERARCH ESO ISS PBLA24 START 7.072
HIERARCH ESO ISS PBLA24 END 7.473
HIERARCH ESO ISS PBL34 START 159.041
HIERARCH ESO ISS PBL34 END 158.716
HIERARCH ESO ISS PBLA34 START 332.441
HIERARCH ESO ISS PBLA34 END 332.615
HIERARCH ESO ISS AMBI TAU0 START 0.007044
HIERARCH ESO ISS AMBI TAU0 END 0.00784
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.57