Exposure
ID
GRAVI.2021-05-23T02:32:13.315_1
Header ID
GRAVI.2021-05-23T02:32:13.315
Date updated
2021-05-23 02:45:36 UTC+0000
Release date
2022-05-23 02:45:36 UTC+0000
UTC Start
2021-05-23 02:32:13.315
UTC End
2021-05-23 02:37:13.315
MJD Start
59357.10570967
MJD End
59357.1091818922
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0076585
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.42
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 54.9100 54.8920 4.6000 5.4000
U1-U3 100.9160 100.8690 9.6000 10.5000
U1-U4 128.8600 129.0060 31.0780 32.1840
U2-U3 46.4680 46.4510 15.5000 16.5000
U2-U4 83.4080 83.7720 48.1670 49.3860
U3-U4 50.8660 51.4010 77.6720 78.7980
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 59357.10570967
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 54.91
HIERARCH ESO ISS PBL12 END 54.892
HIERARCH ESO ISS PBLA12 START 4.6
HIERARCH ESO ISS PBLA12 END 5.4
HIERARCH ESO ISS PBL13 START 100.916
HIERARCH ESO ISS PBL13 END 100.869
HIERARCH ESO ISS PBLA13 START 9.6
HIERARCH ESO ISS PBLA13 END 10.5
HIERARCH ESO ISS PBL14 START 128.86
HIERARCH ESO ISS PBL14 END 129.006
HIERARCH ESO ISS PBLA14 START 31.078
HIERARCH ESO ISS PBLA14 END 32.184
HIERARCH ESO ISS PBL23 START 46.468
HIERARCH ESO ISS PBL23 END 46.451
HIERARCH ESO ISS PBLA23 START 15.5
HIERARCH ESO ISS PBLA23 END 16.5
HIERARCH ESO ISS PBL24 START 83.408
HIERARCH ESO ISS PBL24 END 83.772
HIERARCH ESO ISS PBLA24 START 48.167
HIERARCH ESO ISS PBLA24 END 49.386
HIERARCH ESO ISS PBL34 START 50.866
HIERARCH ESO ISS PBL34 END 51.401
HIERARCH ESO ISS PBLA34 START 77.672
HIERARCH ESO ISS PBLA34 END 78.798
HIERARCH ESO ISS AMBI TAU0 START 0.007457
HIERARCH ESO ISS AMBI TAU0 END 0.00786
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.43