Exposure
ID
GRAVI.2025-12-01T05:22:43.364_1
Header ID
GRAVI.2025-12-01T05:22:43.364
Date updated
2025-12-01 05:36:01 UTC+0000
Release date
2026-12-01 05:36:01 UTC+0000
UTC Start
2025-12-01 05:22:43.364
UTC End
2025-12-01 05:25:23.364
MJD Start
61010.22411301
MJD End
61010.22596486186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006912
Ambient temperature (°C)
13.62
Seeing (arcsec)
0.565
Observation
ID
71939
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
53406
Name
V_T_Mon
RA
96.303047
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 46.1460 46.0280 143.9000 144.0000
A0-J2 125.1700 125.5710 94.5000 94.4000
A0-J6 138.4860 138.9780 22.9520 23.3360
B5-J2 101.3740 101.9530 74.3000 74.3000
B5-J6 166.9620 167.2000 9.2370 9.6370
J2-J6 154.5000 154.1120 332.7350 332.9250
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 61010.22411301
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V T Mon
HIERARCH ESO INS SOBJ NAME V_T_Mon
RA 96.303047
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 46.146
HIERARCH ESO ISS PBL12 END 46.028
HIERARCH ESO ISS PBLA12 START 143.9
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 125.17
HIERARCH ESO ISS PBL13 END 125.571
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 138.486
HIERARCH ESO ISS PBL14 END 138.978
HIERARCH ESO ISS PBLA14 START 22.952
HIERARCH ESO ISS PBLA14 END 23.336
HIERARCH ESO ISS PBL23 START 101.374
HIERARCH ESO ISS PBL23 END 101.953
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.3
HIERARCH ESO ISS PBL24 START 166.962
HIERARCH ESO ISS PBL24 END 167.2
HIERARCH ESO ISS PBLA24 START 9.237
HIERARCH ESO ISS PBLA24 END 9.637
HIERARCH ESO ISS PBL34 START 154.5
HIERARCH ESO ISS PBL34 END 154.112
HIERARCH ESO ISS PBLA34 START 332.735
HIERARCH ESO ISS PBLA34 END 332.925
HIERARCH ESO ISS AMBI TAU0 START 0.007673
HIERARCH ESO ISS AMBI TAU0 END 0.006151
HIERARCH ESO ISS AMBI TEMP 13.62
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.57