Exposure
ID
GRAVI.2023-09-08T08:39:05.500_1
Header ID
GRAVI.2023-09-08T08:39:05.500
Date updated
2023-09-08 08:50:36 UTC+0000
Release date
2023-09-08 08:39:05 UTC+0000
UTC Start
2023-09-08 08:39:05.500
UTC End
2023-09-08 08:43:05.500
MJD Start
60195.36048032
MJD End
60195.36325809778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0038875
Ambient temperature (°C)
10.88
Seeing (arcsec)
0.595
Observation
ID
56922
Category
calibrator
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
42193
Name
HD4576
RA
11.719396
DEC
-62.7265
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 90.3950 90.4180 140.4000 141.3000
A0-J2 125.8090 125.5960 123.6000 124.6000
A0-K0 113.7790 113.2940 105.7040 106.7150
G1-J2 47.2060 46.9120 89.9000 90.8000
G1-K0 64.8290 64.3930 53.1950 53.8490
J2-K0 39.0370 39.0060 6.9170 7.4950
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25QQ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60195.36048032
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 4576
HIERARCH ESO INS SOBJ NAME HD4576
RA 11.719396
DEC -62.7265
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 90.395
HIERARCH ESO ISS PBL12 END 90.418
HIERARCH ESO ISS PBLA12 START 140.4
HIERARCH ESO ISS PBLA12 END 141.3
HIERARCH ESO ISS PBL13 START 125.809
HIERARCH ESO ISS PBL13 END 125.596
HIERARCH ESO ISS PBLA13 START 123.6
HIERARCH ESO ISS PBLA13 END 124.6
HIERARCH ESO ISS PBL14 START 113.779
HIERARCH ESO ISS PBL14 END 113.294
HIERARCH ESO ISS PBLA14 START 105.704
HIERARCH ESO ISS PBLA14 END 106.715
HIERARCH ESO ISS PBL23 START 47.206
HIERARCH ESO ISS PBL23 END 46.912
HIERARCH ESO ISS PBLA23 START 89.9
HIERARCH ESO ISS PBLA23 END 90.8
HIERARCH ESO ISS PBL24 START 64.829
HIERARCH ESO ISS PBL24 END 64.393
HIERARCH ESO ISS PBLA24 START 53.195
HIERARCH ESO ISS PBLA24 END 53.849
HIERARCH ESO ISS PBL34 START 39.037
HIERARCH ESO ISS PBL34 END 39.006
HIERARCH ESO ISS PBLA34 START 6.917
HIERARCH ESO ISS PBLA34 END 7.495
HIERARCH ESO ISS AMBI TAU0 START 0.003672
HIERARCH ESO ISS AMBI TAU0 END 0.004103
HIERARCH ESO ISS AMBI TEMP 10.88
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.6