Exposure
ID
GRAVI.2025-12-01T06:23:10.518_1
Header ID
GRAVI.2025-12-01T06:23:10.518
Date updated
2025-12-01 06:41:51 UTC+0000
Release date
2026-12-01 06:41:50 UTC+0000
UTC Start
2025-12-01 06:23:10.518
UTC End
2025-12-01 06:29:50.518
MJD Start
61010.26609396
MJD End
61010.27072358963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0049235
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.51
Observation
ID
71942
Category
science
Program ID
116.28NT.001
Program Title
UNRAVELING GALACTIC BINARY CEPHEIDS: INSIGHTS FROM INTERFEROMETRY AND THE UPCOMING GAIA DATA RELEASE
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / EVANS / MÉRAND / PIETRZYNSKI / GIEREN / PILECKI
Target
ID
53409
Name
V_Car
RA
127.179783
DEC
-60.12256
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 36.4620 36.8450 127.1000 128.1000
A0-J2 123.6900 124.1900 64.2000 65.8000
A0-J6 152.7070 152.4750 11.4110 12.5080
B5-J2 111.8660 111.9180 47.4000 48.9000
B5-J6 171.6850 171.6610 0.3790 1.3520
J2-J6 125.6660 126.7350 319.7620 320.6870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NT.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61010.26609396
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V_Car
HIERARCH ESO INS SOBJ NAME V_Car
RA 127.179783
DEC -60.12256
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 36.462
HIERARCH ESO ISS PBL12 END 36.845
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 128.1
HIERARCH ESO ISS PBL13 START 123.69
HIERARCH ESO ISS PBL13 END 124.19
HIERARCH ESO ISS PBLA13 START 64.2
HIERARCH ESO ISS PBLA13 END 65.8
HIERARCH ESO ISS PBL14 START 152.707
HIERARCH ESO ISS PBL14 END 152.475
HIERARCH ESO ISS PBLA14 START 11.411
HIERARCH ESO ISS PBLA14 END 12.508
HIERARCH ESO ISS PBL23 START 111.866
HIERARCH ESO ISS PBL23 END 111.918
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 171.685
HIERARCH ESO ISS PBL24 END 171.661
HIERARCH ESO ISS PBLA24 START 0.379
HIERARCH ESO ISS PBLA24 END 1.352
HIERARCH ESO ISS PBL34 START 125.666
HIERARCH ESO ISS PBL34 END 126.735
HIERARCH ESO ISS PBLA34 START 319.762
HIERARCH ESO ISS PBLA34 END 320.687
HIERARCH ESO ISS AMBI TAU0 START 0.004818
HIERARCH ESO ISS AMBI TAU0 END 0.005029
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.48