Exposure
- ID
- GRAVI.2021-03-29T07:42:22.182_2
- Header ID
- GRAVI.2021-03-29T07:42:22.182
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 07:57:33 UTC+0000
- UTC Start
- 2021-03-29 07:42:22.182
- UTC End
- 2021-03-29 07:47:42.182
- MJD Start
- 59302.32109007
- MJD End
- 59302.3247937737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0050845
- Ambient temperature (°C)
- 11.95
- Seeing (arcsec)
- 0.475
Observation
- ID
- 47323
- 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
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3230 | 56.3400 | 8.6000 | 9.4000 |
| U1-U3 | 101.3230 | 101.4040 | 14.1000 | 14.9000 |
| U1-U4 | 121.3570 | 122.0170 | 39.9580 | 41.0190 |
| U2-U3 | 45.5820 | 45.6590 | 20.9000 | 21.8000 |
| U2-U4 | 78.9400 | 79.7410 | 61.7820 | 62.7820 |
| U3-U4 | 53.5680 | 54.2570 | 95.6410 | 96.2620 |
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 | 59302.32109007 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416971 |
| 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 | 56.323 |
| HIERARCH ESO ISS PBL12 END | 56.34 |
| HIERARCH ESO ISS PBLA12 START | 8.6 |
| HIERARCH ESO ISS PBLA12 END | 9.4 |
| HIERARCH ESO ISS PBL13 START | 101.323 |
| HIERARCH ESO ISS PBL13 END | 101.404 |
| HIERARCH ESO ISS PBLA13 START | 14.1 |
| HIERARCH ESO ISS PBLA13 END | 14.9 |
| HIERARCH ESO ISS PBL14 START | 121.357 |
| HIERARCH ESO ISS PBL14 END | 122.017 |
| HIERARCH ESO ISS PBLA14 START | 39.958 |
| HIERARCH ESO ISS PBLA14 END | 41.019 |
| HIERARCH ESO ISS PBL23 START | 45.582 |
| HIERARCH ESO ISS PBL23 END | 45.659 |
| HIERARCH ESO ISS PBLA23 START | 20.9 |
| HIERARCH ESO ISS PBLA23 END | 21.8 |
| HIERARCH ESO ISS PBL24 START | 78.94 |
| HIERARCH ESO ISS PBL24 END | 79.741 |
| HIERARCH ESO ISS PBLA24 START | 61.782 |
| HIERARCH ESO ISS PBLA24 END | 62.782 |
| HIERARCH ESO ISS PBL34 START | 53.568 |
| HIERARCH ESO ISS PBL34 END | 54.257 |
| HIERARCH ESO ISS PBLA34 START | 95.641 |
| HIERARCH ESO ISS PBLA34 END | 96.262 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005226 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004943 |
| HIERARCH ESO ISS AMBI TEMP | 11.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |