Exposure
ID
GRAVI.2025-11-29T08:06:33.066_1
Header ID
GRAVI.2025-11-29T08:06:33.066
Date updated
2025-11-29 08:16:15 UTC+0000
Release date
2026-11-29 08:16:15 UTC+0000
UTC Start
2025-11-29 08:06:33.066
UTC End
2025-11-29 08:09:13.066
MJD Start
61008.33788271
MJD End
61008.33973456186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.011987000000000001
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.46499999999999997
Observation
ID
71899
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
53379
Name
V_U_Car
RA
164.448502
DEC
-59.73218
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 33.2490 33.4500 119.3000 119.7000
A0-J2 119.2250 119.4790 51.4000 52.1000
A0-J6 154.1830 154.1580 2.8810 3.3520
B5-J2 111.0660 111.1200 35.3000 36.0000
B5-J6 171.5740 171.6570 352.8870 353.3000
J2-J6 116.7670 117.3390 312.9840 313.3640
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 61008.33788271
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V U Car
HIERARCH ESO INS SOBJ NAME V_U_Car
RA 164.448502
DEC -59.73218
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 33.249
HIERARCH ESO ISS PBL12 END 33.45
HIERARCH ESO ISS PBLA12 START 119.3
HIERARCH ESO ISS PBLA12 END 119.7
HIERARCH ESO ISS PBL13 START 119.225
HIERARCH ESO ISS PBL13 END 119.479
HIERARCH ESO ISS PBLA13 START 51.4
HIERARCH ESO ISS PBLA13 END 52.1
HIERARCH ESO ISS PBL14 START 154.183
HIERARCH ESO ISS PBL14 END 154.158
HIERARCH ESO ISS PBLA14 START 2.881
HIERARCH ESO ISS PBLA14 END 3.352
HIERARCH ESO ISS PBL23 START 111.066
HIERARCH ESO ISS PBL23 END 111.12
HIERARCH ESO ISS PBLA23 START 35.3
HIERARCH ESO ISS PBLA23 END 36.0
HIERARCH ESO ISS PBL24 START 171.574
HIERARCH ESO ISS PBL24 END 171.657
HIERARCH ESO ISS PBLA24 START 352.887
HIERARCH ESO ISS PBLA24 END 353.3
HIERARCH ESO ISS PBL34 START 116.767
HIERARCH ESO ISS PBL34 END 117.339
HIERARCH ESO ISS PBLA34 START 312.984
HIERARCH ESO ISS PBLA34 END 313.364
HIERARCH ESO ISS AMBI TAU0 START 0.011362
HIERARCH ESO ISS AMBI TAU0 END 0.012612
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.45