Exposure
ID
GRAVI.2023-09-08T07:17:41.293_1
Header ID
GRAVI.2023-09-08T07:17:41.293
Date updated
2023-09-08 07:25:48 UTC+0000
Release date
2024-09-08 07:25:47 UTC+0000
UTC Start
2023-09-08 07:17:41.293
UTC End
2023-09-08 07:20:21.293
MJD Start
60195.30395015
MJD End
60195.30580200186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002645
Ambient temperature (°C)
11.36
Seeing (arcsec)
0.65
Observation
ID
56917
Category
science
Program ID
112.25QQ.001
Program Title
A HIGH MULTIPLICITY STUDY OF NEARBY M>2.2 MSUN STARS: ARE THEY THE PROGENITORS OF EVERY EXPLODING WD?
Program Type
Normal
PI / COI
WAISBERG/ KATZ/ KLEIN
Target
ID
42188
Name
HIP21281
RA
68.495724
DEC
-55.04492
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 72.5810 72.9720 78.6000 79.3000
A0-J2 117.5820 117.9080 55.6000 56.3000
A0-K0 125.8510 125.9570 38.0270 38.6980
G1-J2 58.2270 58.2260 26.3000 26.9000
G1-K0 85.0740 85.0560 4.2990 4.7560
J2-K0 37.9970 38.1110 329.2240 329.5440
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25QQ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60195.30395015
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alf Dor
HIERARCH ESO INS SOBJ NAME HIP21281
RA 68.495724
DEC -55.04492
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 72.581
HIERARCH ESO ISS PBL12 END 72.972
HIERARCH ESO ISS PBLA12 START 78.6
HIERARCH ESO ISS PBLA12 END 79.3
HIERARCH ESO ISS PBL13 START 117.582
HIERARCH ESO ISS PBL13 END 117.908
HIERARCH ESO ISS PBLA13 START 55.6
HIERARCH ESO ISS PBLA13 END 56.3
HIERARCH ESO ISS PBL14 START 125.851
HIERARCH ESO ISS PBL14 END 125.957
HIERARCH ESO ISS PBLA14 START 38.027
HIERARCH ESO ISS PBLA14 END 38.698
HIERARCH ESO ISS PBL23 START 58.227
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 26.3
HIERARCH ESO ISS PBLA23 END 26.9
HIERARCH ESO ISS PBL24 START 85.074
HIERARCH ESO ISS PBL24 END 85.056
HIERARCH ESO ISS PBLA24 START 4.299
HIERARCH ESO ISS PBLA24 END 4.756
HIERARCH ESO ISS PBL34 START 37.997
HIERARCH ESO ISS PBL34 END 38.111
HIERARCH ESO ISS PBLA34 START 329.224
HIERARCH ESO ISS PBLA34 END 329.544
HIERARCH ESO ISS AMBI TAU0 START 0.002645
HIERARCH ESO ISS AMBI TAU0 END 0.002645
HIERARCH ESO ISS AMBI TEMP 11.36
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65