Exposure
ID
GRAVI.2025-11-29T08:09:48.074_1
Header ID
GRAVI.2025-11-29T08:09:48.074
Date updated
2025-11-29 08:21:11 UTC+0000
Release date
2026-11-29 08:21:10 UTC+0000
UTC Start
2025-11-29 08:09:48.074
UTC End
2025-11-29 08:12:28.074
MJD Start
61008.34013975
MJD End
61008.341991601854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0117465
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.425
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 33.4700 33.6680 119.8000 120.2000
A0-J2 119.5040 119.7560 52.2000 52.9000
A0-J6 154.1560 154.1260 3.4000 3.8690
B5-J2 111.1250 111.1780 36.0000 36.7000
B5-J6 171.6650 171.7430 353.3420 353.7530
J2-J6 117.3970 117.9590 313.4020 313.7810
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 61008.34013975
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 33.47
HIERARCH ESO ISS PBL12 END 33.668
HIERARCH ESO ISS PBLA12 START 119.8
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 119.504
HIERARCH ESO ISS PBL13 END 119.756
HIERARCH ESO ISS PBLA13 START 52.2
HIERARCH ESO ISS PBLA13 END 52.9
HIERARCH ESO ISS PBL14 START 154.156
HIERARCH ESO ISS PBL14 END 154.126
HIERARCH ESO ISS PBLA14 START 3.4
HIERARCH ESO ISS PBLA14 END 3.869
HIERARCH ESO ISS PBL23 START 111.125
HIERARCH ESO ISS PBL23 END 111.178
HIERARCH ESO ISS PBLA23 START 36.0
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 171.665
HIERARCH ESO ISS PBL24 END 171.743
HIERARCH ESO ISS PBLA24 START 353.342
HIERARCH ESO ISS PBLA24 END 353.753
HIERARCH ESO ISS PBL34 START 117.397
HIERARCH ESO ISS PBL34 END 117.959
HIERARCH ESO ISS PBLA34 START 313.402
HIERARCH ESO ISS PBLA34 END 313.781
HIERARCH ESO ISS AMBI TAU0 START 0.011742
HIERARCH ESO ISS AMBI TAU0 END 0.011751
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.41