Exposure
- ID
- GRAVI.2021-06-21T06:45:25.834_1
- Header ID
- GRAVI.2021-06-21T06:45:25.834
- Date updated
- 2021-06-21 07:00:40 UTC+0000
- Release date
- 2022-06-21 07:00:40 UTC+0000
- UTC Start
- 2021-06-21 06:45:25.834
- UTC End
- 2021-06-21 06:50:45.834
- MJD Start
- 59386.28154901
- MJD End
- 59386.2852527137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002503
- Ambient temperature (°C)
- 8.77
- Seeing (arcsec)
- 0.75
Observation
- ID
- 47542
- 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
- 35655
- Name
- S2
- RA
- 266.416992
- DEC
- -29.00736
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.2280 | 52.9670 | 37.5000 | 37.8000 |
| U1-U3 | 94.8450 | 94.2460 | 43.8000 | 44.1000 |
| U1-U4 | 113.3490 | 111.9730 | 73.9700 | 74.4680 |
| U2-U3 | 42.3370 | 41.9930 | 51.7000 | 52.0000 |
| U2-U4 | 77.3070 | 76.3150 | 98.1200 | 98.9270 |
| U3-U4 | 57.0800 | 56.6540 | 130.6310 | 131.7020 |
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 | 59386.28154901 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416992 |
| DEC | -29.00736 |
| 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 | 53.228 |
| HIERARCH ESO ISS PBL12 END | 52.967 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 94.845 |
| HIERARCH ESO ISS PBL13 END | 94.246 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.349 |
| HIERARCH ESO ISS PBL14 END | 111.973 |
| HIERARCH ESO ISS PBLA14 START | 73.97 |
| HIERARCH ESO ISS PBLA14 END | 74.468 |
| HIERARCH ESO ISS PBL23 START | 42.337 |
| HIERARCH ESO ISS PBL23 END | 41.993 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 77.307 |
| HIERARCH ESO ISS PBL24 END | 76.315 |
| HIERARCH ESO ISS PBLA24 START | 98.12 |
| HIERARCH ESO ISS PBLA24 END | 98.927 |
| HIERARCH ESO ISS PBL34 START | 57.08 |
| HIERARCH ESO ISS PBL34 END | 56.654 |
| HIERARCH ESO ISS PBLA34 START | 130.631 |
| HIERARCH ESO ISS PBLA34 END | 131.702 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0026 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002406 |
| HIERARCH ESO ISS AMBI TEMP | 8.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |