Exposure
ID
GRAVI.2024-01-28T01:17:55.844_1
Header ID
GRAVI.2024-01-28T01:17:55.844
Date updated
2024-09-13 04:55:30 UTC+0000
Release date
2024-01-28 01:17:55 UTC+0000
UTC Start
2024-01-28 01:17:55.844
UTC End
2024-01-28 01:23:55.844
MJD Start
60337.05411856
MJD End
60337.05828522667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0046895
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.86
Observation
ID
58292
Category
calibrator
Program ID
112.25MF.001
Program Title
GREYS; A GRAVITY/VLTI SURVEY OF ERUPTIVE YOUNG STARS: THE WINTER TARGETS
Program Type
Normal
PI / COI
LYKOU/ ABRAHAM/ KOSPAL/ VARGA/ CHEN/ CRUZ-SAENZ DE MIERA/ HENNING/ BRANDNER
Target
ID
43161
Name
BD+23_734
RA
70.843608
DEC
24.20354
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 43.3170 43.8720 37.7000 37.9000
U1-U3 82.3120 83.3730 44.4000 44.5000
U1-U4 123.9400 124.8360 68.1530 67.6720
U2-U3 39.6240 40.1010 51.8000 51.7000
U2-U4 89.3590 89.4190 82.3940 81.7510
U3-U4 58.8170 58.2820 102.4470 101.9120
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25MF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60337.05411856
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME BD+23 734
HIERARCH ESO INS SOBJ NAME BD+23_734
RA 70.843608
DEC 24.20354
HIERARCH ESO INS SPEC RES HIGH
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 43.317
HIERARCH ESO ISS PBL12 END 43.872
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 82.312
HIERARCH ESO ISS PBL13 END 83.373
HIERARCH ESO ISS PBLA13 START 44.4
HIERARCH ESO ISS PBLA13 END 44.5
HIERARCH ESO ISS PBL14 START 123.94
HIERARCH ESO ISS PBL14 END 124.836
HIERARCH ESO ISS PBLA14 START 68.153
HIERARCH ESO ISS PBLA14 END 67.672
HIERARCH ESO ISS PBL23 START 39.624
HIERARCH ESO ISS PBL23 END 40.101
HIERARCH ESO ISS PBLA23 START 51.8
HIERARCH ESO ISS PBLA23 END 51.7
HIERARCH ESO ISS PBL24 START 89.359
HIERARCH ESO ISS PBL24 END 89.419
HIERARCH ESO ISS PBLA24 START 82.394
HIERARCH ESO ISS PBLA24 END 81.751
HIERARCH ESO ISS PBL34 START 58.817
HIERARCH ESO ISS PBL34 END 58.282
HIERARCH ESO ISS PBLA34 START 102.447
HIERARCH ESO ISS PBLA34 END 101.912
HIERARCH ESO ISS AMBI TAU0 START 0.004432
HIERARCH ESO ISS AMBI TAU0 END 0.004947
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.9