Exposure
ID
GRAVI.2024-12-04T02:51:46.760_1
Header ID
GRAVI.2024-12-04T02:51:46.760
Date updated
2024-12-04 03:05:50 UTC+0000
Release date
2024-12-04 02:51:46 UTC+0000
UTC Start
2024-12-04 02:51:46.760
UTC End
2024-12-04 02:54:58.760
MJD Start
60648.1192912
MJD End
60648.1215134222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0044485
Ambient temperature (°C)
14.31
Seeing (arcsec)
0.62
Observation
ID
62219
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46280
Name
HD_50235
RA
102.715459
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.5660 18.7520 123.9000 124.1000
A0-D0 26.7670 26.8800 28.7000 29.7000
A0-C1 14.5810 14.8070 86.4350 87.0010
B2-D0 33.9320 33.9320 355.7000 356.2000
B2-C1 11.3030 11.3030 355.6810 356.2050
D0-C1 22.6290 22.6290 175.7220 176.2460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60648.1192912
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715459
DEC -34.36731
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 18.566
HIERARCH ESO ISS PBL12 END 18.752
HIERARCH ESO ISS PBLA12 START 123.9
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 26.767
HIERARCH ESO ISS PBL13 END 26.88
HIERARCH ESO ISS PBLA13 START 28.7
HIERARCH ESO ISS PBLA13 END 29.7
HIERARCH ESO ISS PBL14 START 14.581
HIERARCH ESO ISS PBL14 END 14.807
HIERARCH ESO ISS PBLA14 START 86.435
HIERARCH ESO ISS PBLA14 END 87.001
HIERARCH ESO ISS PBL23 START 33.932
HIERARCH ESO ISS PBL23 END 33.932
HIERARCH ESO ISS PBLA23 START 355.7
HIERARCH ESO ISS PBLA23 END 356.2
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 355.681
HIERARCH ESO ISS PBLA24 END 356.205
HIERARCH ESO ISS PBL34 START 22.629
HIERARCH ESO ISS PBL34 END 22.629
HIERARCH ESO ISS PBLA34 START 175.722
HIERARCH ESO ISS PBLA34 END 176.246
HIERARCH ESO ISS AMBI TAU0 START 0.004794
HIERARCH ESO ISS AMBI TAU0 END 0.004103
HIERARCH ESO ISS AMBI TEMP 14.31
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.63