Exposure
ID
GRAVI.2025-07-18T06:03:07.942_1
Header ID
GRAVI.2025-07-18T06:03:07.942
Date updated
2025-07-18 06:15:40 UTC+0000
Release date
2025-07-18 06:15:40 UTC+0000
UTC Start
2025-07-18 06:03:07.942
UTC End
2025-07-18 06:09:07.942
MJD Start
60874.25217525
MJD End
60874.25634191667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.008822
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.47
Observation
ID
68787
Category
science
Program ID
110.24B5.004
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
51179
Name
G034.0500-00.2977
RA
283.631762
DEC
0.85642
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 69.1150 67.7260 120.6000 121.3000
A0-J2 107.2640 105.2560 92.5000 92.5000
A0-K0 117.7070 116.3710 70.8580 70.6040
G1-J2 56.6070 56.2780 57.4000 57.1000
G1-K0 90.1120 90.2300 35.0200 35.1010
J2-K0 43.4700 43.5300 5.3220 6.0760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.24B5.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60874.25217525
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G034.0500-00.2977
HIERARCH ESO INS SOBJ NAME G034.0500-00.2977
RA 283.631762
DEC 0.85642
HIERARCH ESO INS SPEC RES LOW
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 375.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 69.115
HIERARCH ESO ISS PBL12 END 67.726
HIERARCH ESO ISS PBLA12 START 120.6
HIERARCH ESO ISS PBLA12 END 121.3
HIERARCH ESO ISS PBL13 START 107.264
HIERARCH ESO ISS PBL13 END 105.256
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 117.707
HIERARCH ESO ISS PBL14 END 116.371
HIERARCH ESO ISS PBLA14 START 70.858
HIERARCH ESO ISS PBLA14 END 70.604
HIERARCH ESO ISS PBL23 START 56.607
HIERARCH ESO ISS PBL23 END 56.278
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 90.112
HIERARCH ESO ISS PBL24 END 90.23
HIERARCH ESO ISS PBLA24 START 35.02
HIERARCH ESO ISS PBLA24 END 35.101
HIERARCH ESO ISS PBL34 START 43.47
HIERARCH ESO ISS PBL34 END 43.53
HIERARCH ESO ISS PBLA34 START 5.322
HIERARCH ESO ISS PBLA34 END 6.076
HIERARCH ESO ISS AMBI TAU0 START 0.007614
HIERARCH ESO ISS AMBI TAU0 END 0.01003
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME 2MASS18543092+005113
HIERARCH ESO FT ROBJ ALPHA 185430.926
HIERARCH ESO FT ROBJ DELTA 005113.010