Exposure
ID
GRAVI.2023-09-08T07:24:26.310_1
Header ID
GRAVI.2023-09-08T07:24:26.310
Date updated
2023-09-08 07:35:31 UTC+0000
Release date
2024-09-08 07:35:31 UTC+0000
UTC Start
2023-09-08 07:24:26.310
UTC End
2023-09-08 07:27:06.310
MJD Start
60195.30863785
MJD End
60195.31048970186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0024850000000000002
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.69
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 73.4670 73.8510 80.2000 80.8000
A0-J2 118.3230 118.6450 57.2000 57.9000
A0-K0 126.0900 126.1920 39.5450 40.2020
G1-J2 58.2220 58.2190 27.7000 28.3000
G1-K0 85.0300 85.0080 5.3330 5.7800
J2-K0 38.2550 38.3660 329.9470 330.2600
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 60195.30863785
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 73.467
HIERARCH ESO ISS PBL12 END 73.851
HIERARCH ESO ISS PBLA12 START 80.2
HIERARCH ESO ISS PBLA12 END 80.8
HIERARCH ESO ISS PBL13 START 118.323
HIERARCH ESO ISS PBL13 END 118.645
HIERARCH ESO ISS PBLA13 START 57.2
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 126.09
HIERARCH ESO ISS PBL14 END 126.192
HIERARCH ESO ISS PBLA14 START 39.545
HIERARCH ESO ISS PBLA14 END 40.202
HIERARCH ESO ISS PBL23 START 58.222
HIERARCH ESO ISS PBL23 END 58.219
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 28.3
HIERARCH ESO ISS PBL24 START 85.03
HIERARCH ESO ISS PBL24 END 85.008
HIERARCH ESO ISS PBLA24 START 5.333
HIERARCH ESO ISS PBLA24 END 5.78
HIERARCH ESO ISS PBL34 START 38.255
HIERARCH ESO ISS PBL34 END 38.366
HIERARCH ESO ISS PBLA34 START 329.947
HIERARCH ESO ISS PBLA34 END 330.26
HIERARCH ESO ISS AMBI TAU0 START 0.002904
HIERARCH ESO ISS AMBI TAU0 END 0.002066
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.77