Exposure
ID
GRAVI.2025-01-28T03:55:01.961_1
Header ID
GRAVI.2025-01-28T03:55:01.961
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-01-28 03:55:01 UTC+0000
UTC Start
2025-01-28 03:55:01.961
UTC End
2025-01-28 03:58:13.961
MJD Start
60703.16321714
MJD End
60703.16543936222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0074385
Ambient temperature (°C)
17.71
Seeing (arcsec)
0.865
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
JADLOVSKY / 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 25.2890 25.2930 148.8000 149.4000
A0-D0 31.1090 31.0080 78.3000 78.8000
A0-C1 22.5330 22.5090 123.1500 123.7160
B2-D0 32.9220 32.8620 31.9000 32.2000
B2-C1 10.9670 10.9470 31.8170 32.1780
D0-C1 21.9550 21.9160 211.8820 212.2440
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 60703.16321714
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 25.289
HIERARCH ESO ISS PBL12 END 25.293
HIERARCH ESO ISS PBLA12 START 148.8
HIERARCH ESO ISS PBLA12 END 149.4
HIERARCH ESO ISS PBL13 START 31.109
HIERARCH ESO ISS PBL13 END 31.008
HIERARCH ESO ISS PBLA13 START 78.3
HIERARCH ESO ISS PBLA13 END 78.8
HIERARCH ESO ISS PBL14 START 22.533
HIERARCH ESO ISS PBL14 END 22.509
HIERARCH ESO ISS PBLA14 START 123.15
HIERARCH ESO ISS PBLA14 END 123.716
HIERARCH ESO ISS PBL23 START 32.922
HIERARCH ESO ISS PBL23 END 32.862
HIERARCH ESO ISS PBLA23 START 31.9
HIERARCH ESO ISS PBLA23 END 32.2
HIERARCH ESO ISS PBL24 START 10.967
HIERARCH ESO ISS PBL24 END 10.947
HIERARCH ESO ISS PBLA24 START 31.817
HIERARCH ESO ISS PBLA24 END 32.178
HIERARCH ESO ISS PBL34 START 21.955
HIERARCH ESO ISS PBL34 END 21.916
HIERARCH ESO ISS PBLA34 START 211.882
HIERARCH ESO ISS PBLA34 END 212.244
HIERARCH ESO ISS AMBI TAU0 START 0.007233
HIERARCH ESO ISS AMBI TAU0 END 0.007644
HIERARCH ESO ISS AMBI TEMP 17.71
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.88