Exposure
ID
GRAVI.2025-12-01T05:29:22.382_1
Header ID
GRAVI.2025-12-01T05:29:22.382
Date updated
2025-12-01 05:40:40 UTC+0000
Release date
2026-12-01 05:40:40 UTC+0000
UTC Start
2025-12-01 05:29:22.382
UTC End
2025-12-01 05:32:02.382
MJD Start
61010.22873127
MJD End
61010.230583121855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006731
Ambient temperature (°C)
13.56
Seeing (arcsec)
0.5
Observation
ID
70915
Category
science
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
52623
Name
V_T_Mon
RA
96.303048
DEC
7.08569
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 45.8790 45.7550 144.1000 144.3000
A0-J2 126.0400 126.3960 94.3000 94.2000
A0-J6 139.5950 140.0980 23.8050 24.1770
B5-J2 102.6500 103.1970 74.3000 74.3000
B5-J6 167.5090 167.7680 10.1300 10.5260
J2-J6 153.6260 153.2300 333.1680 333.3700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61010.22873127
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V T Mon
HIERARCH ESO INS SOBJ NAME V_T_Mon
RA 96.303048
DEC 7.08569
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 45.879
HIERARCH ESO ISS PBL12 END 45.755
HIERARCH ESO ISS PBLA12 START 144.1
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 126.04
HIERARCH ESO ISS PBL13 END 126.396
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 139.595
HIERARCH ESO ISS PBL14 END 140.098
HIERARCH ESO ISS PBLA14 START 23.805
HIERARCH ESO ISS PBLA14 END 24.177
HIERARCH ESO ISS PBL23 START 102.65
HIERARCH ESO ISS PBL23 END 103.197
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.3
HIERARCH ESO ISS PBL24 START 167.509
HIERARCH ESO ISS PBL24 END 167.768
HIERARCH ESO ISS PBLA24 START 10.13
HIERARCH ESO ISS PBLA24 END 10.526
HIERARCH ESO ISS PBL34 START 153.626
HIERARCH ESO ISS PBL34 END 153.23
HIERARCH ESO ISS PBLA34 START 333.168
HIERARCH ESO ISS PBLA34 END 333.37
HIERARCH ESO ISS AMBI TAU0 START 0.006702
HIERARCH ESO ISS AMBI TAU0 END 0.00676
HIERARCH ESO ISS AMBI TEMP 13.56
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47