Exposure
ID
GRAVI.2023-08-21T04:09:33.993_1
Header ID
GRAVI.2023-08-21T04:09:33.993
Date updated
2023-08-21 04:25:25 UTC+0000
Release date
2024-08-21 04:25:25 UTC+0000
UTC Start
2023-08-21 04:09:33.993
UTC End
2023-08-21 04:16:13.993
MJD Start
60177.1733101
MJD End
60177.17793972963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004213
Ambient temperature (°C)
14.11
Seeing (arcsec)
0.935
Observation
ID
56306
Category
science
Program ID
111.24TN.002
Program Title
SUBDWARF COMPANIONS AND THE ORIGIN OF BE STARS: TOWARDS THE FIRST SET OF FUNDAMENTAL PARAMETERS
Program Type
Normal
PI / COI
KLEMENT/ RIVINIUS/ BAADE/ MÉRAND
Target
ID
41712
Name
HD_186456
RA
296.063804
DEC
7.58821
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 72.9530 71.4520 113.6000 113.9000
A0-J2 116.0170 114.2540 89.1000 88.9000
A0-K0 124.4620 123.5700 70.2030 69.8230
G1-J2 58.1310 58.0270 57.7000 57.5000
G1-K0 87.3080 87.7070 35.1460 35.2850
J2-K0 40.3810 40.4100 1.5580 2.4820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60177.1733101
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 186456
HIERARCH ESO INS SOBJ NAME HD_186456
RA 296.063804
DEC 7.58821
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 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 72.953
HIERARCH ESO ISS PBL12 END 71.452
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.9
HIERARCH ESO ISS PBL13 START 116.017
HIERARCH ESO ISS PBL13 END 114.254
HIERARCH ESO ISS PBLA13 START 89.1
HIERARCH ESO ISS PBLA13 END 88.9
HIERARCH ESO ISS PBL14 START 124.462
HIERARCH ESO ISS PBL14 END 123.57
HIERARCH ESO ISS PBLA14 START 70.203
HIERARCH ESO ISS PBLA14 END 69.823
HIERARCH ESO ISS PBL23 START 58.131
HIERARCH ESO ISS PBL23 END 58.027
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 87.308
HIERARCH ESO ISS PBL24 END 87.707
HIERARCH ESO ISS PBLA24 START 35.146
HIERARCH ESO ISS PBLA24 END 35.285
HIERARCH ESO ISS PBL34 START 40.381
HIERARCH ESO ISS PBL34 END 40.41
HIERARCH ESO ISS PBLA34 START 1.558
HIERARCH ESO ISS PBLA34 END 2.482
HIERARCH ESO ISS AMBI TAU0 START 0.002734
HIERARCH ESO ISS AMBI TAU0 END 0.005692
HIERARCH ESO ISS AMBI TEMP 14.11
HIERARCH ESO ISS AMBI FWHM START 1.03
HIERARCH ESO ISS AMBI FWHM END 0.84