Exposure
ID
GRAVI.2021-05-23T02:26:40.301_1
Header ID
GRAVI.2021-05-23T02:26:40.301
Date updated
2021-05-23 02:40:44 UTC+0000
Release date
2022-05-23 02:40:44 UTC+0000
UTC Start
2021-05-23 02:26:40.301
UTC End
2021-05-23 02:31:40.301
MJD Start
59357.10185534
MJD End
59357.1053275622
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0087575
Ambient temperature (°C)
11.99
Seeing (arcsec)
0.395
Observation
ID
47442
Category
science
Program ID
0103.C-0459(B)
Program Title
BINARITY OF HIGH-MASS STARS AT BIRTH
Program Type
Normal
PI / COI
DE WIT/ OUDMAIJER/ KOUMPIA/ POMOHACI/ CARATTI O GARATTI/ STECKLUM/ MENDIGUTIA/ FROST/ GOODWIN
Target
ID
35582
Name
G336.4917
RA
250.003274
DEC
-48.86337
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.9250 54.9110 3.7000 4.5000
U1-U3 100.9610 100.9190 8.7000 9.6000
U1-U4 128.7040 128.8520 29.9090 31.0160
U2-U3 46.4850 46.4690 14.6000 15.5000
U2-U4 83.0210 83.3870 46.8720 48.0970
U3-U4 50.2940 50.8350 76.4720 77.6080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0103.C-0459(B)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59357.10185534
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME G336.4917
HIERARCH ESO INS SOBJ NAME G336.4917
RA 250.003274
DEC -48.86337
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 316.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 10
HIERARCH ESO ISS PBL12 START 54.925
HIERARCH ESO ISS PBL12 END 54.911
HIERARCH ESO ISS PBLA12 START 3.7
HIERARCH ESO ISS PBLA12 END 4.5
HIERARCH ESO ISS PBL13 START 100.961
HIERARCH ESO ISS PBL13 END 100.919
HIERARCH ESO ISS PBLA13 START 8.7
HIERARCH ESO ISS PBLA13 END 9.6
HIERARCH ESO ISS PBL14 START 128.704
HIERARCH ESO ISS PBL14 END 128.852
HIERARCH ESO ISS PBLA14 START 29.909
HIERARCH ESO ISS PBLA14 END 31.016
HIERARCH ESO ISS PBL23 START 46.485
HIERARCH ESO ISS PBL23 END 46.469
HIERARCH ESO ISS PBLA23 START 14.6
HIERARCH ESO ISS PBLA23 END 15.5
HIERARCH ESO ISS PBL24 START 83.021
HIERARCH ESO ISS PBL24 END 83.387
HIERARCH ESO ISS PBLA24 START 46.872
HIERARCH ESO ISS PBLA24 END 48.097
HIERARCH ESO ISS PBL34 START 50.294
HIERARCH ESO ISS PBL34 END 50.835
HIERARCH ESO ISS PBLA34 START 76.472
HIERARCH ESO ISS PBLA34 END 77.608
HIERARCH ESO ISS AMBI TAU0 START 0.009681
HIERARCH ESO ISS AMBI TAU0 END 0.007834
HIERARCH ESO ISS AMBI TEMP 11.99
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.4