Exposure
ID
GRAVI.2025-12-01T05:54:55.446_1
Header ID
GRAVI.2025-12-01T05:54:55.446
Date updated
2025-12-01 06:11:04 UTC+0000
Release date
2026-12-01 06:11:04 UTC+0000
UTC Start
2025-12-01 05:54:55.446
UTC End
2025-12-01 06:00:55.446
MJD Start
61010.24647507
MJD End
61010.25064173667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0060675
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.505
Observation
ID
71940
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
53407
Name
CE_Pup
RA
123.531975
DEC
-42.56814
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.5010 41.8560 135.3000 135.8000
A0-J2 116.0530 117.0990 67.4000 68.7000
A0-J6 167.9630 167.8870 8.3660 9.2670
B5-J2 107.4780 107.9320 46.5000 47.8000
B5-J6 195.7070 195.7250 358.6030 359.3760
J2-J6 147.1320 148.0370 325.7860 326.3310
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 61010.24647507
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CE_Pup
HIERARCH ESO INS SOBJ NAME CE_Pup
RA 123.531975
DEC -42.56814
HIERARCH ESO INS SPEC RES MEDIUM
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 41.501
HIERARCH ESO ISS PBL12 END 41.856
HIERARCH ESO ISS PBLA12 START 135.3
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 116.053
HIERARCH ESO ISS PBL13 END 117.099
HIERARCH ESO ISS PBLA13 START 67.4
HIERARCH ESO ISS PBLA13 END 68.7
HIERARCH ESO ISS PBL14 START 167.963
HIERARCH ESO ISS PBL14 END 167.887
HIERARCH ESO ISS PBLA14 START 8.366
HIERARCH ESO ISS PBLA14 END 9.267
HIERARCH ESO ISS PBL23 START 107.478
HIERARCH ESO ISS PBL23 END 107.932
HIERARCH ESO ISS PBLA23 START 46.5
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 195.707
HIERARCH ESO ISS PBL24 END 195.725
HIERARCH ESO ISS PBLA24 START 358.603
HIERARCH ESO ISS PBLA24 END 359.376
HIERARCH ESO ISS PBL34 START 147.132
HIERARCH ESO ISS PBL34 END 148.037
HIERARCH ESO ISS PBLA34 START 325.786
HIERARCH ESO ISS PBLA34 END 326.331
HIERARCH ESO ISS AMBI TAU0 START 0.006653
HIERARCH ESO ISS AMBI TAU0 END 0.005482
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.51