Exposure
ID
GRAVI.2025-02-26T02:26:06.989_1
Header ID
GRAVI.2025-02-26T02:26:06.989
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-26 02:26:06 UTC+0000
UTC Start
2025-02-26 02:26:06.989
UTC End
2025-02-26 02:29:18.989
MJD Start
60732.10146978
MJD End
60732.10369200222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0026425
Ambient temperature (°C)
18.3
Seeing (arcsec)
1.445
Observation
ID
64847
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
48292
Name
HD_50235
RA
102.715458
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.2970 89.1360 127.1000 127.7000
A0-J2 124.6490 124.1970 104.1000 104.7000
A0-K0 121.2370 120.6850 81.5640 82.0500
G1-J2 54.9130 54.6750 64.7000 65.1000
G1-K0 86.5950 86.3950 34.2060 34.5360
J2-K0 48.1620 48.1630 358.8490 359.2640
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 60732.10146978
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715458
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.297
HIERARCH ESO ISS PBL12 END 89.136
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.7
HIERARCH ESO ISS PBL13 START 124.649
HIERARCH ESO ISS PBL13 END 124.197
HIERARCH ESO ISS PBLA13 START 104.1
HIERARCH ESO ISS PBLA13 END 104.7
HIERARCH ESO ISS PBL14 START 121.237
HIERARCH ESO ISS PBL14 END 120.685
HIERARCH ESO ISS PBLA14 START 81.564
HIERARCH ESO ISS PBLA14 END 82.05
HIERARCH ESO ISS PBL23 START 54.913
HIERARCH ESO ISS PBL23 END 54.675
HIERARCH ESO ISS PBLA23 START 64.7
HIERARCH ESO ISS PBLA23 END 65.1
HIERARCH ESO ISS PBL24 START 86.595
HIERARCH ESO ISS PBL24 END 86.395
HIERARCH ESO ISS PBLA24 START 34.206
HIERARCH ESO ISS PBLA24 END 34.536
HIERARCH ESO ISS PBL34 START 48.162
HIERARCH ESO ISS PBL34 END 48.163
HIERARCH ESO ISS PBLA34 START 358.849
HIERARCH ESO ISS PBLA34 END 359.264
HIERARCH ESO ISS AMBI TAU0 START 0.002415
HIERARCH ESO ISS AMBI TAU0 END 0.00287
HIERARCH ESO ISS AMBI TEMP 18.3
HIERARCH ESO ISS AMBI FWHM START 1.57
HIERARCH ESO ISS AMBI FWHM END 1.32