Exposure
ID
GRAVI.2025-02-26T02:34:25.010_1
Header ID
GRAVI.2025-02-26T02:34:25.010
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-26 02:34:25 UTC+0000
UTC Start
2025-02-26 02:34:25.010
UTC End
2025-02-26 02:37:37.010
MJD Start
60732.10723391
MJD End
60732.109456132224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0025725
Ambient temperature (°C)
18.2
Seeing (arcsec)
1.42
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 88.9230 88.7420 128.4000 129.0000
A0-J2 123.6080 123.1130 105.4000 106.0000
A0-K0 119.9670 119.3660 82.6560 83.1440
G1-J2 54.3660 54.1080 65.6000 66.0000
G1-K0 86.1360 85.9210 34.9400 35.2590
J2-K0 48.1640 48.1640 359.7800 0.1950
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 60732.10723391
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 88.923
HIERARCH ESO ISS PBL12 END 88.742
HIERARCH ESO ISS PBLA12 START 128.4
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 123.608
HIERARCH ESO ISS PBL13 END 123.113
HIERARCH ESO ISS PBLA13 START 105.4
HIERARCH ESO ISS PBLA13 END 106.0
HIERARCH ESO ISS PBL14 START 119.967
HIERARCH ESO ISS PBL14 END 119.366
HIERARCH ESO ISS PBLA14 START 82.656
HIERARCH ESO ISS PBLA14 END 83.144
HIERARCH ESO ISS PBL23 START 54.366
HIERARCH ESO ISS PBL23 END 54.108
HIERARCH ESO ISS PBLA23 START 65.6
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 86.136
HIERARCH ESO ISS PBL24 END 85.921
HIERARCH ESO ISS PBLA24 START 34.94
HIERARCH ESO ISS PBLA24 END 35.259
HIERARCH ESO ISS PBL34 START 48.164
HIERARCH ESO ISS PBL34 END 48.164
HIERARCH ESO ISS PBLA34 START 359.78
HIERARCH ESO ISS PBLA34 END 0.195
HIERARCH ESO ISS AMBI TAU0 START 0.002881
HIERARCH ESO ISS AMBI TAU0 END 0.002264
HIERARCH ESO ISS AMBI TEMP 18.2
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.6