Exposure
- ID
- GRAVI.2021-06-25T04:17:48.414_2
- Header ID
- GRAVI.2021-06-25T04:17:48.414
- Date updated
- 2021-06-25 04:30:40 UTC+0000
- Release date
- 2022-06-25 04:30:40 UTC+0000
- UTC Start
- 2021-06-25 04:17:48.414
- UTC End
- 2021-06-25 04:23:08.414
- MJD Start
- 59390.17903257
- MJD End
- 59390.1827362737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005449
- Ambient temperature (°C)
- 10.85
- Seeing (arcsec)
- 0.49
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 | 56.4030 | 56.3590 | 26.5000 | 27.1000 |
| U1-U3 | 102.1730 | 102.0790 | 32.8000 | 33.4000 |
| U1-U4 | 130.0550 | 129.9090 | 60.8780 | 61.5360 |
| U2-U3 | 46.5370 | 46.4880 | 40.5000 | 41.1000 |
| U2-U4 | 89.4030 | 89.3360 | 81.7690 | 82.4560 |
| U3-U4 | 62.4640 | 62.4710 | 111.1860 | 111.8760 |
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 | 59390.17903257 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416593 |
| DEC | -29.00706 |
| 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 | 56.403 |
| HIERARCH ESO ISS PBL12 END | 56.359 |
| HIERARCH ESO ISS PBLA12 START | 26.5 |
| HIERARCH ESO ISS PBLA12 END | 27.1 |
| HIERARCH ESO ISS PBL13 START | 102.173 |
| HIERARCH ESO ISS PBL13 END | 102.079 |
| HIERARCH ESO ISS PBLA13 START | 32.8 |
| HIERARCH ESO ISS PBLA13 END | 33.4 |
| HIERARCH ESO ISS PBL14 START | 130.055 |
| HIERARCH ESO ISS PBL14 END | 129.909 |
| HIERARCH ESO ISS PBLA14 START | 60.878 |
| HIERARCH ESO ISS PBLA14 END | 61.536 |
| HIERARCH ESO ISS PBL23 START | 46.537 |
| HIERARCH ESO ISS PBL23 END | 46.488 |
| HIERARCH ESO ISS PBLA23 START | 40.5 |
| HIERARCH ESO ISS PBLA23 END | 41.1 |
| HIERARCH ESO ISS PBL24 START | 89.403 |
| HIERARCH ESO ISS PBL24 END | 89.336 |
| HIERARCH ESO ISS PBLA24 START | 81.769 |
| HIERARCH ESO ISS PBLA24 END | 82.456 |
| HIERARCH ESO ISS PBL34 START | 62.464 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 111.186 |
| HIERARCH ESO ISS PBLA34 END | 111.876 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005678 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00522 |
| HIERARCH ESO ISS AMBI TEMP | 10.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |