Exposure
ID
GRAVI.2023-05-25T00:28:02.141_1
Header ID
GRAVI.2023-05-25T00:28:02.141
Date updated
2023-05-25 00:40:53 UTC+0000
Release date
2023-05-25 00:28:02 UTC+0000
UTC Start
2023-05-25 00:28:02.141
UTC End
2023-05-25 00:33:22.141
MJD Start
60089.01946923
MJD End
60089.0231729337
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003574
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.72
Observation
ID
55579
Category
calibrator
Program ID
111.24JN.002
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
40914
Name
HD_98677
RA
170.13858
DEC
-58.58961
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.0700 89.2440 118.9000 120.0000
A0-J2 129.0780 128.9870 99.6000 100.9000
A0-K0 123.7150 123.2880 81.1920 82.3770
G1-J2 53.7230 53.4530 66.5000 67.6000
G1-K0 76.1680 75.7960 35.5420 36.3700
J2-K0 40.8720 40.9120 352.9830 353.7240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60089.01946923
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_98677
HIERARCH ESO INS SOBJ NAME HD_98677
RA 170.13858
DEC -58.58961
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 89.07
HIERARCH ESO ISS PBL12 END 89.244
HIERARCH ESO ISS PBLA12 START 118.9
HIERARCH ESO ISS PBLA12 END 120.0
HIERARCH ESO ISS PBL13 START 129.078
HIERARCH ESO ISS PBL13 END 128.987
HIERARCH ESO ISS PBLA13 START 99.6
HIERARCH ESO ISS PBLA13 END 100.9
HIERARCH ESO ISS PBL14 START 123.715
HIERARCH ESO ISS PBL14 END 123.288
HIERARCH ESO ISS PBLA14 START 81.192
HIERARCH ESO ISS PBLA14 END 82.377
HIERARCH ESO ISS PBL23 START 53.723
HIERARCH ESO ISS PBL23 END 53.453
HIERARCH ESO ISS PBLA23 START 66.5
HIERARCH ESO ISS PBLA23 END 67.6
HIERARCH ESO ISS PBL24 START 76.168
HIERARCH ESO ISS PBL24 END 75.796
HIERARCH ESO ISS PBLA24 START 35.542
HIERARCH ESO ISS PBLA24 END 36.37
HIERARCH ESO ISS PBL34 START 40.872
HIERARCH ESO ISS PBL34 END 40.912
HIERARCH ESO ISS PBLA34 START 352.983
HIERARCH ESO ISS PBLA34 END 353.724
HIERARCH ESO ISS AMBI TAU0 START 0.003518
HIERARCH ESO ISS AMBI TAU0 END 0.00363
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.67