Exposure
ID
GRAVI.2025-11-27T07:54:23.663_1
Header ID
GRAVI.2025-11-27T07:54:23.663
Date updated
2025-11-27 08:06:41 UTC+0000
Release date
2026-11-27 08:06:41 UTC+0000
UTC Start
2025-11-27 07:54:23.663
UTC End
2025-11-27 07:57:03.663
MJD Start
61006.32944054
MJD End
61006.33129239186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0053465000000000006
Ambient temperature (°C)
14.81
Seeing (arcsec)
0.64
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 39.2730 39.1190 155.1000 155.5000
A0-J2 121.9250 121.3660 90.2000 90.2000
A0-J6 160.8230 161.2100 34.2340 34.3440
B5-J2 111.0950 110.9150 71.6000 71.5000
B5-J6 184.0950 184.5210 23.6830 23.8920
J2-J6 137.1360 136.8550 346.7390 347.1550
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 61006.32944054
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 39.273
HIERARCH ESO ISS PBL12 END 39.119
HIERARCH ESO ISS PBLA12 START 155.1
HIERARCH ESO ISS PBLA12 END 155.5
HIERARCH ESO ISS PBL13 START 121.925
HIERARCH ESO ISS PBL13 END 121.366
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 160.823
HIERARCH ESO ISS PBL14 END 161.21
HIERARCH ESO ISS PBLA14 START 34.234
HIERARCH ESO ISS PBLA14 END 34.344
HIERARCH ESO ISS PBL23 START 111.095
HIERARCH ESO ISS PBL23 END 110.915
HIERARCH ESO ISS PBLA23 START 71.6
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 184.095
HIERARCH ESO ISS PBL24 END 184.521
HIERARCH ESO ISS PBLA24 START 23.683
HIERARCH ESO ISS PBLA24 END 23.892
HIERARCH ESO ISS PBL34 START 137.136
HIERARCH ESO ISS PBL34 END 136.855
HIERARCH ESO ISS PBLA34 START 346.739
HIERARCH ESO ISS PBLA34 END 347.155
HIERARCH ESO ISS AMBI TAU0 START 0.00536
HIERARCH ESO ISS AMBI TAU0 END 0.005333
HIERARCH ESO ISS AMBI TEMP 14.81
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.62