Exposure
- ID
- GRAVI.2021-05-23T04:47:39.197_1
- Header ID
- GRAVI.2021-05-23T04:47:39.197
- Date updated
- 2021-05-23 05:05:30 UTC+0000
- Release date
- 2022-05-23 05:05:30 UTC+0000
- UTC Start
- 2021-05-23 04:47:39.197
- UTC End
- 2021-05-23 04:52:59.197
- MJD Start
- 59357.19975922
- MJD End
- 59357.2034629237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063875
- Ambient temperature (°C)
- 11.78
- Seeing (arcsec)
- 0.32
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 | 56.4580 | 56.4760 | 14.3000 | 15.1000 |
| U1-U3 | 101.9170 | 101.9930 | 20.2000 | 21.0000 |
| U1-U4 | 125.7880 | 126.3170 | 47.1730 | 48.0890 |
| U2-U3 | 46.1280 | 46.1970 | 27.5000 | 28.3000 |
| U2-U4 | 84.1550 | 84.7570 | 68.5330 | 69.3870 |
| U3-U4 | 57.9390 | 58.4300 | 100.0750 | 100.6840 |
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 | 59357.19975922 |
| 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 | 56.458 |
| HIERARCH ESO ISS PBL12 END | 56.476 |
| HIERARCH ESO ISS PBLA12 START | 14.3 |
| HIERARCH ESO ISS PBLA12 END | 15.1 |
| HIERARCH ESO ISS PBL13 START | 101.917 |
| HIERARCH ESO ISS PBL13 END | 101.993 |
| HIERARCH ESO ISS PBLA13 START | 20.2 |
| HIERARCH ESO ISS PBLA13 END | 21.0 |
| HIERARCH ESO ISS PBL14 START | 125.788 |
| HIERARCH ESO ISS PBL14 END | 126.317 |
| HIERARCH ESO ISS PBLA14 START | 47.173 |
| HIERARCH ESO ISS PBLA14 END | 48.089 |
| HIERARCH ESO ISS PBL23 START | 46.128 |
| HIERARCH ESO ISS PBL23 END | 46.197 |
| HIERARCH ESO ISS PBLA23 START | 27.5 |
| HIERARCH ESO ISS PBLA23 END | 28.3 |
| HIERARCH ESO ISS PBL24 START | 84.155 |
| HIERARCH ESO ISS PBL24 END | 84.757 |
| HIERARCH ESO ISS PBLA24 START | 68.533 |
| HIERARCH ESO ISS PBLA24 END | 69.387 |
| HIERARCH ESO ISS PBL34 START | 57.939 |
| HIERARCH ESO ISS PBL34 END | 58.43 |
| HIERARCH ESO ISS PBLA34 START | 100.075 |
| HIERARCH ESO ISS PBLA34 END | 100.684 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006992 |
| HIERARCH ESO ISS AMBI TEMP | 11.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |