Exposure
ID
GRAVI.2025-04-05T08:33:44.175_1
Header ID
GRAVI.2025-04-05T08:33:44.175
Date updated
2025-04-05 08:50:46 UTC+0000
Release date
2025-04-05 08:50:46 UTC+0000
UTC Start
2025-04-05 08:33:44.175
UTC End
2025-04-05 08:39:44.175
MJD Start
60770.35676129
MJD End
60770.360927956666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007225499999999999
Ambient temperature (°C)
14.78
Seeing (arcsec)
0.505
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 25.2960 25.2990 136.3000 136.2000
A0-D0 25.0470 25.5530 69.4000 69.8000
A0-C1 21.5490 21.7140 115.4380 115.1790
B2-D0 27.7470 27.8660 12.4000 13.4000
B2-C1 9.2450 9.2840 12.3590 13.3830
D0-C1 18.5020 18.5820 192.4310 193.4560
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 60770.35676129
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 25.296
HIERARCH ESO ISS PBL12 END 25.299
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.2
HIERARCH ESO ISS PBL13 START 25.047
HIERARCH ESO ISS PBL13 END 25.553
HIERARCH ESO ISS PBLA13 START 69.4
HIERARCH ESO ISS PBLA13 END 69.8
HIERARCH ESO ISS PBL14 START 21.549
HIERARCH ESO ISS PBL14 END 21.714
HIERARCH ESO ISS PBLA14 START 115.438
HIERARCH ESO ISS PBLA14 END 115.179
HIERARCH ESO ISS PBL23 START 27.747
HIERARCH ESO ISS PBL23 END 27.866
HIERARCH ESO ISS PBLA23 START 12.4
HIERARCH ESO ISS PBLA23 END 13.4
HIERARCH ESO ISS PBL24 START 9.245
HIERARCH ESO ISS PBL24 END 9.284
HIERARCH ESO ISS PBLA24 START 12.359
HIERARCH ESO ISS PBLA24 END 13.383
HIERARCH ESO ISS PBL34 START 18.502
HIERARCH ESO ISS PBL34 END 18.582
HIERARCH ESO ISS PBLA34 START 192.431
HIERARCH ESO ISS PBLA34 END 193.456
HIERARCH ESO ISS AMBI TAU0 START 0.006445
HIERARCH ESO ISS AMBI TAU0 END 0.008006
HIERARCH ESO ISS AMBI TEMP 14.78
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.48