Exposure
- ID
- GRAVI.2021-05-23T07:16:21.572_1
- Header ID
- GRAVI.2021-05-23T07:16:21.572
- Date updated
- 2021-05-23 07:35:31 UTC+0000
- Release date
- 2022-05-23 07:35:30 UTC+0000
- UTC Start
- 2021-05-23 07:16:21.572
- UTC End
- 2021-05-23 07:21:41.572
- MJD Start
- 59357.30302745
- MJD End
- 59357.3067311537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072335
- Ambient temperature (°C)
- 11.38
- Seeing (arcsec)
- 0.335
Observation
- ID
- 47450
- Category
- science
- Program ID
- 105.20B2.002
- 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
- 35589
- Name
- S2
- RA
- 266.416924
- DEC
- -29.00736
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.7950 | 55.6860 | 31.3000 | 31.8000 |
| U1-U3 | 100.7920 | 100.5390 | 37.6000 | 38.2000 |
| U1-U4 | 127.1860 | 126.6030 | 66.1780 | 66.7560 |
| U2-U3 | 45.7650 | 45.6190 | 45.4000 | 45.9000 |
| U2-U4 | 87.4670 | 87.0400 | 87.5880 | 88.2710 |
| U3-U4 | 61.7240 | 61.5270 | 117.4290 | 118.2180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.30302745 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| 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 | 55.795 |
| HIERARCH ESO ISS PBL12 END | 55.686 |
| HIERARCH ESO ISS PBLA12 START | 31.3 |
| HIERARCH ESO ISS PBLA12 END | 31.8 |
| HIERARCH ESO ISS PBL13 START | 100.792 |
| HIERARCH ESO ISS PBL13 END | 100.539 |
| HIERARCH ESO ISS PBLA13 START | 37.6 |
| HIERARCH ESO ISS PBLA13 END | 38.2 |
| HIERARCH ESO ISS PBL14 START | 127.186 |
| HIERARCH ESO ISS PBL14 END | 126.603 |
| HIERARCH ESO ISS PBLA14 START | 66.178 |
| HIERARCH ESO ISS PBLA14 END | 66.756 |
| HIERARCH ESO ISS PBL23 START | 45.765 |
| HIERARCH ESO ISS PBL23 END | 45.619 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 87.467 |
| HIERARCH ESO ISS PBL24 END | 87.04 |
| HIERARCH ESO ISS PBLA24 START | 87.588 |
| HIERARCH ESO ISS PBLA24 END | 88.271 |
| HIERARCH ESO ISS PBL34 START | 61.724 |
| HIERARCH ESO ISS PBL34 END | 61.527 |
| HIERARCH ESO ISS PBLA34 START | 117.429 |
| HIERARCH ESO ISS PBLA34 END | 118.218 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006293 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008174 |
| HIERARCH ESO ISS AMBI TEMP | 11.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |