Exposure
ID
GRAVI.2024-11-22T01:57:43.260_1
Header ID
GRAVI.2024-11-22T01:57:43.260
Date updated
2024-11-22 02:10:42 UTC+0000
Release date
2025-11-22 02:10:42 UTC+0000
UTC Start
2024-11-22 01:57:43.260
UTC End
2024-11-22 02:03:43.260
MJD Start
60636.0817507
MJD End
60636.0859173667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005554
Ambient temperature (°C)
13.85
Seeing (arcsec)
0.715
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 74.1650 75.3350 98.1000 98.8000
A0-J2 108.0000 109.5260 70.1000 71.2000
A0-K0 114.5810 115.5280 46.1630 47.4190
G1-J2 55.0070 55.2330 30.8000 32.0000
G1-K0 90.3380 90.3510 5.8680 6.7550
J2-K0 46.6010 46.7300 336.0780 336.5330
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 60636.0817507
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 74.165
HIERARCH ESO ISS PBL12 END 75.335
HIERARCH ESO ISS PBLA12 START 98.1
HIERARCH ESO ISS PBLA12 END 98.8
HIERARCH ESO ISS PBL13 START 108.0
HIERARCH ESO ISS PBL13 END 109.526
HIERARCH ESO ISS PBLA13 START 70.1
HIERARCH ESO ISS PBLA13 END 71.2
HIERARCH ESO ISS PBL14 START 114.581
HIERARCH ESO ISS PBL14 END 115.528
HIERARCH ESO ISS PBLA14 START 46.163
HIERARCH ESO ISS PBLA14 END 47.419
HIERARCH ESO ISS PBL23 START 55.007
HIERARCH ESO ISS PBL23 END 55.233
HIERARCH ESO ISS PBLA23 START 30.8
HIERARCH ESO ISS PBLA23 END 32.0
HIERARCH ESO ISS PBL24 START 90.338
HIERARCH ESO ISS PBL24 END 90.351
HIERARCH ESO ISS PBLA24 START 5.868
HIERARCH ESO ISS PBLA24 END 6.755
HIERARCH ESO ISS PBL34 START 46.601
HIERARCH ESO ISS PBL34 END 46.73
HIERARCH ESO ISS PBLA34 START 336.078
HIERARCH ESO ISS PBLA34 END 336.533
HIERARCH ESO ISS AMBI TAU0 START 0.005997
HIERARCH ESO ISS AMBI TAU0 END 0.005111
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.8