Exposure
ID
GRAVI.2025-07-21T04:15:15.847_1
Header ID
GRAVI.2025-07-21T04:15:15.847
Date updated
2025-07-21 04:30:47 UTC+0000
Release date
2025-07-21 04:30:46 UTC+0000
UTC Start
2025-07-21 04:15:15.847
UTC End
2025-07-21 04:21:55.847
MJD Start
60877.17726675
MJD End
60877.181896379625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005142000000000001
Ambient temperature (°C)
15.53
Seeing (arcsec)
0.58
Observation
ID
68887
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
44372
Name
G010.8856+00.1221
RA
272.282825
DEC
-19.45497
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 85.8030 85.1050 124.4000 125.3000
A0-J2 122.2450 121.0170 99.9000 100.5000
A0-K0 122.7720 121.7160 77.1260 77.5930
G1-J2 56.7300 56.3840 61.0000 61.4000
G1-K0 90.1860 90.0600 32.8090 33.2650
J2-K0 48.3040 48.3030 359.1060 359.8810
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 60877.17726675
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G010.8856+00.1221
HIERARCH ESO INS SOBJ NAME G010.8856+00.1221
RA 272.282825
DEC -19.45497
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 85.803
HIERARCH ESO ISS PBL12 END 85.105
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 125.3
HIERARCH ESO ISS PBL13 START 122.245
HIERARCH ESO ISS PBL13 END 121.017
HIERARCH ESO ISS PBLA13 START 99.9
HIERARCH ESO ISS PBLA13 END 100.5
HIERARCH ESO ISS PBL14 START 122.772
HIERARCH ESO ISS PBL14 END 121.716
HIERARCH ESO ISS PBLA14 START 77.126
HIERARCH ESO ISS PBLA14 END 77.593
HIERARCH ESO ISS PBL23 START 56.73
HIERARCH ESO ISS PBL23 END 56.384
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.4
HIERARCH ESO ISS PBL24 START 90.186
HIERARCH ESO ISS PBL24 END 90.06
HIERARCH ESO ISS PBLA24 START 32.809
HIERARCH ESO ISS PBLA24 END 33.265
HIERARCH ESO ISS PBL34 START 48.304
HIERARCH ESO ISS PBL34 END 48.303
HIERARCH ESO ISS PBLA34 START 359.106
HIERARCH ESO ISS PBLA34 END 359.881
HIERARCH ESO ISS AMBI TAU0 START 0.004406
HIERARCH ESO ISS AMBI TAU0 END 0.005878
HIERARCH ESO ISS AMBI TEMP 15.53
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.59
HIERARCH ESO FT ROBJ NAME 2MASS18090778-192712
HIERARCH ESO FT ROBJ ALPHA 180907.786
HIERARCH ESO FT ROBJ DELTA -192712.050