Exposure
ID
GRAVI.2025-11-24T07:18:37.610_1
Header ID
GRAVI.2025-11-24T07:18:37.610
Date updated
2025-11-24 07:31:06 UTC+0000
Release date
2025-11-24 07:18:37 UTC+0000
UTC Start
2025-11-24 07:18:37.610
UTC End
2025-11-24 07:21:17.610
MJD Start
61003.30460197
MJD End
61003.30645382185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003041
Ambient temperature (°C)
13.57
Seeing (arcsec)
1.135
Observation
ID
71851
Category
calibrator
Program ID
116.28NF.002
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
53336
Name
HD_85656
RA
147.726584
DEC
-62.74507
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 32.3360 32.5270 116.3000 116.8000
A0-D0 31.8840 31.8930 35.0000 35.7000
A0-G1 73.3100 73.6040 70.5250 71.2600
B5-D0 41.8370 41.8870 345.2000 345.6000
B5-G1 55.7890 55.8600 45.9880 46.7130
D0-G1 50.8620 51.1570 91.8980 92.5410
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61003.30460197
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 85656
HIERARCH ESO INS SOBJ NAME HD_85656
RA 147.726584
DEC -62.74507
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 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 32.336
HIERARCH ESO ISS PBL12 END 32.527
HIERARCH ESO ISS PBLA12 START 116.3
HIERARCH ESO ISS PBLA12 END 116.8
HIERARCH ESO ISS PBL13 START 31.884
HIERARCH ESO ISS PBL13 END 31.893
HIERARCH ESO ISS PBLA13 START 35.0
HIERARCH ESO ISS PBLA13 END 35.7
HIERARCH ESO ISS PBL14 START 73.31
HIERARCH ESO ISS PBL14 END 73.604
HIERARCH ESO ISS PBLA14 START 70.525
HIERARCH ESO ISS PBLA14 END 71.26
HIERARCH ESO ISS PBL23 START 41.837
HIERARCH ESO ISS PBL23 END 41.887
HIERARCH ESO ISS PBLA23 START 345.2
HIERARCH ESO ISS PBLA23 END 345.6
HIERARCH ESO ISS PBL24 START 55.789
HIERARCH ESO ISS PBL24 END 55.86
HIERARCH ESO ISS PBLA24 START 45.988
HIERARCH ESO ISS PBLA24 END 46.713
HIERARCH ESO ISS PBL34 START 50.862
HIERARCH ESO ISS PBL34 END 51.157
HIERARCH ESO ISS PBLA34 START 91.898
HIERARCH ESO ISS PBLA34 END 92.541
HIERARCH ESO ISS AMBI TAU0 START 0.002521
HIERARCH ESO ISS AMBI TAU0 END 0.003561
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 1.38
HIERARCH ESO ISS AMBI FWHM END 0.89