Exposure
ID
GRAVI.2025-11-29T08:16:30.092_1
Header ID
GRAVI.2025-11-29T08:16:30.092
Date updated
2025-11-29 08:30:46 UTC+0000
Release date
2026-11-29 08:30:46 UTC+0000
UTC Start
2025-11-29 08:16:30.092
UTC End
2025-11-29 08:19:10.092
MJD Start
61008.34479273
MJD End
61008.346644581856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0128855
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.385
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 33.9140 34.1070 120.8000 121.2000
A0-J2 120.0720 120.3210 53.9000 54.6000
A0-J6 154.0850 154.0470 4.4590 4.9270
B5-J2 111.2420 111.2930 37.6000 38.2000
B5-J6 171.8330 171.9000 354.2720 354.6830
J2-J6 118.6590 119.2080 314.2590 314.6390
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 61008.34479273
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 33.914
HIERARCH ESO ISS PBL12 END 34.107
HIERARCH ESO ISS PBLA12 START 120.8
HIERARCH ESO ISS PBLA12 END 121.2
HIERARCH ESO ISS PBL13 START 120.072
HIERARCH ESO ISS PBL13 END 120.321
HIERARCH ESO ISS PBLA13 START 53.9
HIERARCH ESO ISS PBLA13 END 54.6
HIERARCH ESO ISS PBL14 START 154.085
HIERARCH ESO ISS PBL14 END 154.047
HIERARCH ESO ISS PBLA14 START 4.459
HIERARCH ESO ISS PBLA14 END 4.927
HIERARCH ESO ISS PBL23 START 111.242
HIERARCH ESO ISS PBL23 END 111.293
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 171.833
HIERARCH ESO ISS PBL24 END 171.9
HIERARCH ESO ISS PBLA24 START 354.272
HIERARCH ESO ISS PBLA24 END 354.683
HIERARCH ESO ISS PBL34 START 118.659
HIERARCH ESO ISS PBL34 END 119.208
HIERARCH ESO ISS PBLA34 START 314.259
HIERARCH ESO ISS PBLA34 END 314.639
HIERARCH ESO ISS AMBI TAU0 START 0.013175
HIERARCH ESO ISS AMBI TAU0 END 0.012596
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.42