Exposure
- ID
- GRAVI.2021-06-26T02:34:49.825_2
- Header ID
- GRAVI.2021-06-26T02:34:49.825
- Date updated
- 2021-06-26 02:50:16 UTC+0000
- Release date
- 2022-06-26 02:50:16 UTC+0000
- UTC Start
- 2021-06-26 02:34:49.825
- UTC End
- 2021-06-26 02:40:09.825
- MJD Start
- 59391.10752112
- MJD End
- 59391.1112248237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032815
- Ambient temperature (°C)
- 9.36
- Seeing (arcsec)
- 0.54
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4610 | 56.4780 | 14.4000 | 15.2000 |
| U1-U3 | 101.9280 | 102.0040 | 20.3000 | 21.1000 |
| U1-U4 | 125.8660 | 126.3910 | 47.3060 | 48.2190 |
| U2-U3 | 46.1380 | 46.2060 | 27.6000 | 28.4000 |
| U2-U4 | 84.2450 | 84.8420 | 68.6560 | 69.5080 |
| U3-U4 | 58.0120 | 58.4990 | 100.1620 | 100.7700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59391.10752112 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.461 |
| HIERARCH ESO ISS PBL12 END | 56.478 |
| HIERARCH ESO ISS PBLA12 START | 14.4 |
| HIERARCH ESO ISS PBLA12 END | 15.2 |
| HIERARCH ESO ISS PBL13 START | 101.928 |
| HIERARCH ESO ISS PBL13 END | 102.004 |
| HIERARCH ESO ISS PBLA13 START | 20.3 |
| HIERARCH ESO ISS PBLA13 END | 21.1 |
| HIERARCH ESO ISS PBL14 START | 125.866 |
| HIERARCH ESO ISS PBL14 END | 126.391 |
| HIERARCH ESO ISS PBLA14 START | 47.306 |
| HIERARCH ESO ISS PBLA14 END | 48.219 |
| HIERARCH ESO ISS PBL23 START | 46.138 |
| HIERARCH ESO ISS PBL23 END | 46.206 |
| HIERARCH ESO ISS PBLA23 START | 27.6 |
| HIERARCH ESO ISS PBLA23 END | 28.4 |
| HIERARCH ESO ISS PBL24 START | 84.245 |
| HIERARCH ESO ISS PBL24 END | 84.842 |
| HIERARCH ESO ISS PBLA24 START | 68.656 |
| HIERARCH ESO ISS PBLA24 END | 69.508 |
| HIERARCH ESO ISS PBL34 START | 58.012 |
| HIERARCH ESO ISS PBL34 END | 58.499 |
| HIERARCH ESO ISS PBLA34 START | 100.162 |
| HIERARCH ESO ISS PBLA34 END | 100.77 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00348 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003083 |
| HIERARCH ESO ISS AMBI TEMP | 9.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |