Exposure
- ID
- GRAVI.2021-03-28T08:33:17.394_2
- Header ID
- GRAVI.2021-03-28T08:33:17.394
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:45:19 UTC+0000
- UTC Start
- 2021-03-28 08:33:17.394
- UTC End
- 2021-03-28 08:38:37.394
- MJD Start
- 59301.35645132
- MJD End
- 59301.3601550237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037735
- Ambient temperature (°C)
- 11.86
- Seeing (arcsec)
- 0.74
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 | 56.4750 | 56.4920 | 15.0000 | 15.8000 |
| U1-U3 | 101.9900 | 102.0630 | 21.0000 | 21.8000 |
| U1-U4 | 126.2960 | 126.7990 | 48.0550 | 48.9520 |
| U2-U3 | 46.1940 | 46.2590 | 28.3000 | 29.1000 |
| U2-U4 | 84.7340 | 85.3040 | 69.3550 | 70.1930 |
| U3-U4 | 58.4120 | 58.8740 | 100.6610 | 101.2690 |
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 | 59301.35645132 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.475 |
| HIERARCH ESO ISS PBL12 END | 56.492 |
| HIERARCH ESO ISS PBLA12 START | 15.0 |
| HIERARCH ESO ISS PBLA12 END | 15.8 |
| HIERARCH ESO ISS PBL13 START | 101.99 |
| HIERARCH ESO ISS PBL13 END | 102.063 |
| HIERARCH ESO ISS PBLA13 START | 21.0 |
| HIERARCH ESO ISS PBLA13 END | 21.8 |
| HIERARCH ESO ISS PBL14 START | 126.296 |
| HIERARCH ESO ISS PBL14 END | 126.799 |
| HIERARCH ESO ISS PBLA14 START | 48.055 |
| HIERARCH ESO ISS PBLA14 END | 48.952 |
| HIERARCH ESO ISS PBL23 START | 46.194 |
| HIERARCH ESO ISS PBL23 END | 46.259 |
| HIERARCH ESO ISS PBLA23 START | 28.3 |
| HIERARCH ESO ISS PBLA23 END | 29.1 |
| HIERARCH ESO ISS PBL24 START | 84.734 |
| HIERARCH ESO ISS PBL24 END | 85.304 |
| HIERARCH ESO ISS PBLA24 START | 69.355 |
| HIERARCH ESO ISS PBLA24 END | 70.193 |
| HIERARCH ESO ISS PBL34 START | 58.412 |
| HIERARCH ESO ISS PBL34 END | 58.874 |
| HIERARCH ESO ISS PBLA34 START | 100.661 |
| HIERARCH ESO ISS PBLA34 END | 101.269 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003737 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00381 |
| HIERARCH ESO ISS AMBI TEMP | 11.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |