Exposure
ID
GRAVI.2025-02-19T07:41:04.051_1
Header ID
GRAVI.2025-02-19T07:41:04.051
Date updated
2025-02-19 07:56:06 UTC+0000
Release date
2025-02-19 07:41:04 UTC+0000
UTC Start
2025-02-19 07:41:04.051
UTC End
2025-02-19 07:45:04.051
MJD Start
60725.32018577
MJD End
60725.32296354778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003468
Ambient temperature (°C)
10.59
Seeing (arcsec)
1.22
Observation
ID
64764
Category
calibrator
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
48227
Name
BD+02_2984
RA
234.925475
DEC
2.19424
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 48.6570 48.6560 143.1000 143.1000
A0-J2 99.7630 101.2600 95.1000 95.0000
A0-J6 135.7750 135.9920 6.2390 6.9880
B5-J2 76.3710 77.7540 66.8000 67.2000
B5-J6 174.4920 174.3460 355.2540 355.8310
J2-J6 166.8190 166.6280 329.5250 329.5980
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.276J.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60725.32018577
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD+02 2984
HIERARCH ESO INS SOBJ NAME BD+02_2984
RA 234.925475
DEC 2.19424
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 48.657
HIERARCH ESO ISS PBL12 END 48.656
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.763
HIERARCH ESO ISS PBL13 END 101.26
HIERARCH ESO ISS PBLA13 START 95.1
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 135.775
HIERARCH ESO ISS PBL14 END 135.992
HIERARCH ESO ISS PBLA14 START 6.239
HIERARCH ESO ISS PBLA14 END 6.988
HIERARCH ESO ISS PBL23 START 76.371
HIERARCH ESO ISS PBL23 END 77.754
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 67.2
HIERARCH ESO ISS PBL24 START 174.492
HIERARCH ESO ISS PBL24 END 174.346
HIERARCH ESO ISS PBLA24 START 355.254
HIERARCH ESO ISS PBLA24 END 355.831
HIERARCH ESO ISS PBL34 START 166.819
HIERARCH ESO ISS PBL34 END 166.628
HIERARCH ESO ISS PBLA34 START 329.525
HIERARCH ESO ISS PBLA34 END 329.598
HIERARCH ESO ISS AMBI TAU0 START 0.003468
HIERARCH ESO ISS AMBI TAU0 END 0.003468
HIERARCH ESO ISS AMBI TEMP 10.59
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.22