Exposure
ID
GRAVI.2025-10-12T08:18:07.892_1
Header ID
GRAVI.2025-10-12T08:18:07.892
Date updated
2025-10-12 08:31:08 UTC+0000
Release date
2026-10-12 08:31:08 UTC+0000
UTC Start
2025-10-12 08:18:07.892
UTC End
2025-10-12 08:20:47.892
MJD Start
60960.34592468
MJD End
60960.34777653185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007726
Ambient temperature (°C)
11.4
Seeing (arcsec)
1.295
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 46.9180 46.8180 143.2000 143.3000
A0-J2 121.7080 122.2520 95.3000 95.2000
A0-J6 135.1020 135.5550 20.0100 20.4370
B5-J2 96.7760 97.4630 74.2000 74.2000
B5-J6 165.5340 165.7010 6.2950 6.7100
J2-J6 157.1860 156.8220 331.5200 331.6720
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 60960.34592468
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 46.918
HIERARCH ESO ISS PBL12 END 46.818
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 121.708
HIERARCH ESO ISS PBL13 END 122.252
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.2
HIERARCH ESO ISS PBL14 START 135.102
HIERARCH ESO ISS PBL14 END 135.555
HIERARCH ESO ISS PBLA14 START 20.01
HIERARCH ESO ISS PBLA14 END 20.437
HIERARCH ESO ISS PBL23 START 96.776
HIERARCH ESO ISS PBL23 END 97.463
HIERARCH ESO ISS PBLA23 START 74.2
HIERARCH ESO ISS PBLA23 END 74.2
HIERARCH ESO ISS PBL24 START 165.534
HIERARCH ESO ISS PBL24 END 165.701
HIERARCH ESO ISS PBLA24 START 6.295
HIERARCH ESO ISS PBLA24 END 6.71
HIERARCH ESO ISS PBL34 START 157.186
HIERARCH ESO ISS PBL34 END 156.822
HIERARCH ESO ISS PBLA34 START 331.52
HIERARCH ESO ISS PBLA34 END 331.672
HIERARCH ESO ISS AMBI TAU0 START 0.006423
HIERARCH ESO ISS AMBI TAU0 END 0.009029
HIERARCH ESO ISS AMBI TEMP 11.4
HIERARCH ESO ISS AMBI FWHM START 1.38
HIERARCH ESO ISS AMBI FWHM END 1.21