Exposure
ID
GRAVI.2024-11-22T01:43:13.224_1
Header ID
GRAVI.2024-11-22T01:43:13.224
Date updated
2024-11-22 01:55:35 UTC+0000
Release date
2025-11-22 01:55:35 UTC+0000
UTC Start
2024-11-22 01:43:13.224
UTC End
2024-11-22 01:49:13.224
MJD Start
60636.07168083
MJD End
60636.0758474967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0065925
Ambient temperature (°C)
13.88
Seeing (arcsec)
0.65
Observation
ID
61939
Category
science
Program ID
114.276J.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
46057
Name
HD_25156
RA
59.661113
DEC
-31.59536
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.2750 72.5460 96.5000 97.2000
A0-J2 104.2830 105.9080 67.4000 68.6000
A0-K0 112.3310 113.3050 43.1080 44.4440
G1-J2 54.4810 54.7070 27.9000 29.1000
G1-K0 90.3140 90.3230 3.7820 4.6820
J2-K0 46.2770 46.4210 335.0550 335.4880
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.276J.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60636.07168083
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 25156
HIERARCH ESO INS SOBJ NAME HD_25156
RA 59.661113
DEC -31.59536
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 71.275
HIERARCH ESO ISS PBL12 END 72.546
HIERARCH ESO ISS PBLA12 START 96.5
HIERARCH ESO ISS PBLA12 END 97.2
HIERARCH ESO ISS PBL13 START 104.283
HIERARCH ESO ISS PBL13 END 105.908
HIERARCH ESO ISS PBLA13 START 67.4
HIERARCH ESO ISS PBLA13 END 68.6
HIERARCH ESO ISS PBL14 START 112.331
HIERARCH ESO ISS PBL14 END 113.305
HIERARCH ESO ISS PBLA14 START 43.108
HIERARCH ESO ISS PBLA14 END 44.444
HIERARCH ESO ISS PBL23 START 54.481
HIERARCH ESO ISS PBL23 END 54.707
HIERARCH ESO ISS PBLA23 START 27.9
HIERARCH ESO ISS PBLA23 END 29.1
HIERARCH ESO ISS PBL24 START 90.314
HIERARCH ESO ISS PBL24 END 90.323
HIERARCH ESO ISS PBLA24 START 3.782
HIERARCH ESO ISS PBLA24 END 4.682
HIERARCH ESO ISS PBL34 START 46.277
HIERARCH ESO ISS PBL34 END 46.421
HIERARCH ESO ISS PBLA34 START 335.055
HIERARCH ESO ISS PBLA34 END 335.488
HIERARCH ESO ISS AMBI TAU0 START 0.006422
HIERARCH ESO ISS AMBI TAU0 END 0.006763
HIERARCH ESO ISS AMBI TEMP 13.88
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.58