Exposure
ID
GRAVI.2025-04-30T07:16:02.155_1
Header ID
GRAVI.2025-04-30T07:16:02.155
Date updated
2025-04-30 07:31:08 UTC+0000
Release date
2025-04-30 07:16:02 UTC+0000
UTC Start
2025-04-30 07:16:02.155
UTC End
2025-04-30 07:20:02.155
MJD Start
60795.30280272
MJD End
60795.30558049778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004337
Ambient temperature (°C)
11.49
Seeing (arcsec)
0.58
Observation
ID
67063
Category
calibrator
Program ID
115.282E.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 / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
49863
Name
HD176651
RA
285.3042
DEC
2.03329
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 48.2860 48.2170 143.3000 143.3000
A0-J2 114.9570 116.0320 94.0000 93.9000
A0-J6 139.7160 140.1740 14.5450 15.2100
B5-J2 91.1630 92.2870 70.3000 70.5000
B5-J6 174.0470 174.1240 2.0450 2.6290
J2-J6 163.7860 163.4440 330.9270 331.1030
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60795.30280272
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 176651
HIERARCH ESO INS SOBJ NAME HD176651
RA 285.3042
DEC 2.03329
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 48.286
HIERARCH ESO ISS PBL12 END 48.217
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 114.957
HIERARCH ESO ISS PBL13 END 116.032
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 139.716
HIERARCH ESO ISS PBL14 END 140.174
HIERARCH ESO ISS PBLA14 START 14.545
HIERARCH ESO ISS PBLA14 END 15.21
HIERARCH ESO ISS PBL23 START 91.163
HIERARCH ESO ISS PBL23 END 92.287
HIERARCH ESO ISS PBLA23 START 70.3
HIERARCH ESO ISS PBLA23 END 70.5
HIERARCH ESO ISS PBL24 START 174.047
HIERARCH ESO ISS PBL24 END 174.124
HIERARCH ESO ISS PBLA24 START 2.045
HIERARCH ESO ISS PBLA24 END 2.629
HIERARCH ESO ISS PBL34 START 163.786
HIERARCH ESO ISS PBL34 END 163.444
HIERARCH ESO ISS PBLA34 START 330.927
HIERARCH ESO ISS PBLA34 END 331.103
HIERARCH ESO ISS AMBI TAU0 START 0.004337
HIERARCH ESO ISS AMBI TAU0 END 0.004337
HIERARCH ESO ISS AMBI TEMP 11.49
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58