Exposure
ID
GRAVI.2025-12-01T05:12:55.339_1
Header ID
GRAVI.2025-12-01T05:12:55.339
Date updated
2025-12-01 05:25:59 UTC+0000
Release date
2026-12-01 05:25:59 UTC+0000
UTC Start
2025-12-01 05:12:55.339
UTC End
2025-12-01 05:15:35.339
MJD Start
61010.21730717
MJD End
61010.21915902186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0073225
Ambient temperature (°C)
13.67
Seeing (arcsec)
0.525
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 46.5200 46.4090 143.6000 143.6000
A0-J2 123.6950 124.1650 94.9000 94.7000
A0-J6 136.8850 137.3640 21.6290 22.0370
B5-J2 99.3410 99.9740 74.3000 74.3000
B5-J6 166.2400 166.4480 7.8890 8.3000
J2-J6 155.7680 155.3880 332.1400 332.3150
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 61010.21730717
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 46.52
HIERARCH ESO ISS PBL12 END 46.409
HIERARCH ESO ISS PBLA12 START 143.6
HIERARCH ESO ISS PBLA12 END 143.6
HIERARCH ESO ISS PBL13 START 123.695
HIERARCH ESO ISS PBL13 END 124.165
HIERARCH ESO ISS PBLA13 START 94.9
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 136.885
HIERARCH ESO ISS PBL14 END 137.364
HIERARCH ESO ISS PBLA14 START 21.629
HIERARCH ESO ISS PBLA14 END 22.037
HIERARCH ESO ISS PBL23 START 99.341
HIERARCH ESO ISS PBL23 END 99.974
HIERARCH ESO ISS PBLA23 START 74.3
HIERARCH ESO ISS PBLA23 END 74.3
HIERARCH ESO ISS PBL24 START 166.24
HIERARCH ESO ISS PBL24 END 166.448
HIERARCH ESO ISS PBLA24 START 7.889
HIERARCH ESO ISS PBLA24 END 8.3
HIERARCH ESO ISS PBL34 START 155.768
HIERARCH ESO ISS PBL34 END 155.388
HIERARCH ESO ISS PBLA34 START 332.14
HIERARCH ESO ISS PBLA34 END 332.315
HIERARCH ESO ISS AMBI TAU0 START 0.007318
HIERARCH ESO ISS AMBI TAU0 END 0.007327
HIERARCH ESO ISS AMBI TEMP 13.67
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.52