Exposure
- ID
- GRAVI.2021-03-30T07:08:38.670_1
- Header ID
- GRAVI.2021-03-30T07:08:38.670
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:25:11 UTC+0000
- UTC Start
- 2021-03-30 07:08:38.670
- UTC End
- 2021-03-30 07:13:58.670
- MJD Start
- 59303.29766979
- MJD End
- 59303.3013734937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003616
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.785
Observation
- ID
- 47340
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35505
- Name
- S2
- RA
- 266.416963
- DEC
- -29.00716
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2530 | 56.2630 | 4.3000 | 5.1000 |
| U1-U3 | 100.9460 | 101.0110 | 9.4000 | 10.3000 |
| U1-U4 | 117.8320 | 118.5150 | 34.0930 | 35.2680 |
| U2-U3 | 45.1980 | 45.2680 | 15.8000 | 16.8000 |
| U2-U4 | 74.4640 | 75.3600 | 56.1430 | 57.2900 |
| U3-U4 | 49.5760 | 50.3970 | 92.3240 | 92.9770 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59303.29766979 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416963 |
| DEC | -29.00716 |
| 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 | 56.253 |
| HIERARCH ESO ISS PBL12 END | 56.263 |
| HIERARCH ESO ISS PBLA12 START | 4.3 |
| HIERARCH ESO ISS PBLA12 END | 5.1 |
| HIERARCH ESO ISS PBL13 START | 100.946 |
| HIERARCH ESO ISS PBL13 END | 101.011 |
| HIERARCH ESO ISS PBLA13 START | 9.4 |
| HIERARCH ESO ISS PBLA13 END | 10.3 |
| HIERARCH ESO ISS PBL14 START | 117.832 |
| HIERARCH ESO ISS PBL14 END | 118.515 |
| HIERARCH ESO ISS PBLA14 START | 34.093 |
| HIERARCH ESO ISS PBLA14 END | 35.268 |
| HIERARCH ESO ISS PBL23 START | 45.198 |
| HIERARCH ESO ISS PBL23 END | 45.268 |
| HIERARCH ESO ISS PBLA23 START | 15.8 |
| HIERARCH ESO ISS PBLA23 END | 16.8 |
| HIERARCH ESO ISS PBL24 START | 74.464 |
| HIERARCH ESO ISS PBL24 END | 75.36 |
| HIERARCH ESO ISS PBLA24 START | 56.143 |
| HIERARCH ESO ISS PBLA24 END | 57.29 |
| HIERARCH ESO ISS PBL34 START | 49.576 |
| HIERARCH ESO ISS PBL34 END | 50.397 |
| HIERARCH ESO ISS PBLA34 START | 92.324 |
| HIERARCH ESO ISS PBLA34 END | 92.977 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003548 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003684 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |