Exposure
ID
GRAVI.2025-04-05T08:53:38.226_1
Header ID
GRAVI.2025-04-05T08:53:38.226
Date updated
2025-04-05 09:10:46 UTC+0000
Release date
2025-04-05 09:10:45 UTC+0000
UTC Start
2025-04-05 08:53:38.226
UTC End
2025-04-05 08:59:38.226
MJD Start
60770.37058132
MJD End
60770.374747986665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0074415
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.46499999999999997
Observation
ID
59684
Category
science
Program ID
110.24B5.003
Program Title
THE FORMATION OF MASSIVE BINARY STARS: A VIEW AT AU SCALES
Program Type
DDT
PI / COI
OUDMAIJER / KOUTOULAKI / KOUMPIA / FROST / DE WIT / GOODWIN / SHENTON / LUMSDEN
Target
ID
41685
Name
G034.8211+00.3519
RA
283.405652
DEC
1.84183
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2730 25.2470 136.2000 136.2000
A0-D0 26.5880 27.0410 70.5000 70.8000
A0-C1 22.0240 22.1460 114.6910 114.4940
B2-D0 28.1510 28.2950 15.6000 16.5000
B2-C1 9.3790 9.4260 15.5230 16.4840
D0-C1 18.7720 18.8680 195.5970 196.5580
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60770.37058132
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G034.8211+00.3519
HIERARCH ESO INS SOBJ NAME G034.8211+00.3519
RA 283.405652
DEC 1.84183
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 25.273
HIERARCH ESO ISS PBL12 END 25.247
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 26.588
HIERARCH ESO ISS PBL13 END 27.041
HIERARCH ESO ISS PBLA13 START 70.5
HIERARCH ESO ISS PBLA13 END 70.8
HIERARCH ESO ISS PBL14 START 22.024
HIERARCH ESO ISS PBL14 END 22.146
HIERARCH ESO ISS PBLA14 START 114.691
HIERARCH ESO ISS PBLA14 END 114.494
HIERARCH ESO ISS PBL23 START 28.151
HIERARCH ESO ISS PBL23 END 28.295
HIERARCH ESO ISS PBLA23 START 15.6
HIERARCH ESO ISS PBLA23 END 16.5
HIERARCH ESO ISS PBL24 START 9.379
HIERARCH ESO ISS PBL24 END 9.426
HIERARCH ESO ISS PBLA24 START 15.523
HIERARCH ESO ISS PBLA24 END 16.484
HIERARCH ESO ISS PBL34 START 18.772
HIERARCH ESO ISS PBL34 END 18.868
HIERARCH ESO ISS PBLA34 START 195.597
HIERARCH ESO ISS PBLA34 END 196.558
HIERARCH ESO ISS AMBI TAU0 START 0.008006
HIERARCH ESO ISS AMBI TAU0 END 0.006877
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.45