Exposure
ID
GRAVI.2025-11-24T07:28:34.636_1
Header ID
GRAVI.2025-11-24T07:28:34.636
Date updated
2025-11-24 07:40:57 UTC+0000
Release date
2025-11-24 07:28:34 UTC+0000
UTC Start
2025-11-24 07:28:34.636
UTC End
2025-11-24 07:31:14.636
MJD Start
61003.31151199
MJD End
61003.31336384186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0026620000000000003
Ambient temperature (°C)
13.79
Seeing (arcsec)
1.155
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 32.9740 33.1600 117.9000 118.4000
A0-D0 31.9140 31.9230 37.3000 38.0000
A0-G1 74.2980 74.5900 72.9940 73.7230
B5-D0 42.0000 42.0460 346.5000 346.9000
B5-G1 56.0260 56.0970 48.4300 49.1550
D0-G1 51.8490 52.1390 94.0570 94.6940
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 61003.31151199
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 32.974
HIERARCH ESO ISS PBL12 END 33.16
HIERARCH ESO ISS PBLA12 START 117.9
HIERARCH ESO ISS PBLA12 END 118.4
HIERARCH ESO ISS PBL13 START 31.914
HIERARCH ESO ISS PBL13 END 31.923
HIERARCH ESO ISS PBLA13 START 37.3
HIERARCH ESO ISS PBLA13 END 38.0
HIERARCH ESO ISS PBL14 START 74.298
HIERARCH ESO ISS PBL14 END 74.59
HIERARCH ESO ISS PBLA14 START 72.994
HIERARCH ESO ISS PBLA14 END 73.723
HIERARCH ESO ISS PBL23 START 42.0
HIERARCH ESO ISS PBL23 END 42.046
HIERARCH ESO ISS PBLA23 START 346.5
HIERARCH ESO ISS PBLA23 END 346.9
HIERARCH ESO ISS PBL24 START 56.026
HIERARCH ESO ISS PBL24 END 56.097
HIERARCH ESO ISS PBLA24 START 48.43
HIERARCH ESO ISS PBLA24 END 49.155
HIERARCH ESO ISS PBL34 START 51.849
HIERARCH ESO ISS PBL34 END 52.139
HIERARCH ESO ISS PBLA34 START 94.057
HIERARCH ESO ISS PBLA34 END 94.694
HIERARCH ESO ISS AMBI TAU0 START 0.002987
HIERARCH ESO ISS AMBI TAU0 END 0.002337
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.27