Exposure
- ID
- GRAVI.2021-03-30T07:16:50.690_1
- Header ID
- GRAVI.2021-03-30T07:16:50.690
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:35:21 UTC+0000
- UTC Start
- 2021-03-30 07:16:50.690
- UTC End
- 2021-03-30 07:22:10.690
- MJD Start
- 59303.30336447
- MJD End
- 59303.3070681737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033375
- Ambient temperature (°C)
- 12.85
- Seeing (arcsec)
- 1.03
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 | 56.2680 | 56.2810 | 5.5000 | 6.3000 |
| U1-U3 | 101.0400 | 101.1100 | 10.7000 | 11.6000 |
| U1-U4 | 118.8060 | 119.4890 | 35.7630 | 36.9060 |
| U2-U3 | 45.2980 | 45.3720 | 17.2000 | 18.2000 |
| U2-U4 | 75.7380 | 76.6120 | 57.7700 | 58.8730 |
| U3-U4 | 50.7400 | 51.5260 | 93.2540 | 93.8960 |
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 | 59303.30336447 |
| 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 | 56.268 |
| HIERARCH ESO ISS PBL12 END | 56.281 |
| HIERARCH ESO ISS PBLA12 START | 5.5 |
| HIERARCH ESO ISS PBLA12 END | 6.3 |
| HIERARCH ESO ISS PBL13 START | 101.04 |
| HIERARCH ESO ISS PBL13 END | 101.11 |
| HIERARCH ESO ISS PBLA13 START | 10.7 |
| HIERARCH ESO ISS PBLA13 END | 11.6 |
| HIERARCH ESO ISS PBL14 START | 118.806 |
| HIERARCH ESO ISS PBL14 END | 119.489 |
| HIERARCH ESO ISS PBLA14 START | 35.763 |
| HIERARCH ESO ISS PBLA14 END | 36.906 |
| HIERARCH ESO ISS PBL23 START | 45.298 |
| HIERARCH ESO ISS PBL23 END | 45.372 |
| HIERARCH ESO ISS PBLA23 START | 17.2 |
| HIERARCH ESO ISS PBLA23 END | 18.2 |
| HIERARCH ESO ISS PBL24 START | 75.738 |
| HIERARCH ESO ISS PBL24 END | 76.612 |
| HIERARCH ESO ISS PBLA24 START | 57.77 |
| HIERARCH ESO ISS PBLA24 END | 58.873 |
| HIERARCH ESO ISS PBL34 START | 50.74 |
| HIERARCH ESO ISS PBL34 END | 51.526 |
| HIERARCH ESO ISS PBLA34 START | 93.254 |
| HIERARCH ESO ISS PBLA34 END | 93.896 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00387 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002805 |
| HIERARCH ESO ISS AMBI TEMP | 12.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 1.23 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |