Exposure
ID
GRAVI.2025-11-29T07:59:51.049_1
Header ID
GRAVI.2025-11-29T07:59:51.049
Date updated
2025-11-29 08:12:04 UTC+0000
Release date
2026-11-29 08:12:04 UTC+0000
UTC Start
2025-11-29 07:59:51.049
UTC End
2025-11-29 08:02:31.049
MJD Start
61008.33322973
MJD End
61008.335081581856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009468500000000001
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.5549999999999999
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 32.7870 32.9920 118.3000 118.7000
A0-J2 118.6500 118.9040 49.7000 50.5000
A0-J6 154.2260 154.2090 1.8130 2.2850
B5-J2 110.9420 110.9970 33.7000 34.4000
B5-J6 171.3660 171.4610 351.9520 352.3650
J2-J6 115.4470 116.0340 312.1260 312.5040
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 61008.33322973
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 32.787
HIERARCH ESO ISS PBL12 END 32.992
HIERARCH ESO ISS PBLA12 START 118.3
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 118.65
HIERARCH ESO ISS PBL13 END 118.904
HIERARCH ESO ISS PBLA13 START 49.7
HIERARCH ESO ISS PBLA13 END 50.5
HIERARCH ESO ISS PBL14 START 154.226
HIERARCH ESO ISS PBL14 END 154.209
HIERARCH ESO ISS PBLA14 START 1.813
HIERARCH ESO ISS PBLA14 END 2.285
HIERARCH ESO ISS PBL23 START 110.942
HIERARCH ESO ISS PBL23 END 110.997
HIERARCH ESO ISS PBLA23 START 33.7
HIERARCH ESO ISS PBLA23 END 34.4
HIERARCH ESO ISS PBL24 START 171.366
HIERARCH ESO ISS PBL24 END 171.461
HIERARCH ESO ISS PBLA24 START 351.952
HIERARCH ESO ISS PBLA24 END 352.365
HIERARCH ESO ISS PBL34 START 115.447
HIERARCH ESO ISS PBL34 END 116.034
HIERARCH ESO ISS PBLA34 START 312.126
HIERARCH ESO ISS PBLA34 END 312.504
HIERARCH ESO ISS AMBI TAU0 START 0.009681
HIERARCH ESO ISS AMBI TAU0 END 0.009256
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.52