Exposure
- ID
- GRAVI.2021-03-29T08:25:01.290_2
- Header ID
- GRAVI.2021-03-29T08:25:01.290
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 08:40:24 UTC+0000
- UTC Start
- 2021-03-29 08:25:01.290
- UTC End
- 2021-03-29 08:30:21.290
- MJD Start
- 59302.35070937
- MJD End
- 59302.3544130737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006152
- Ambient temperature (°C)
- 11.76
- Seeing (arcsec)
- 0.51
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 | 56.4620 | 56.4790 | 14.5000 | 15.2000 |
| U1-U3 | 101.9320 | 102.0080 | 20.4000 | 21.2000 |
| U1-U4 | 125.8980 | 126.4210 | 47.3620 | 48.2740 |
| U2-U3 | 46.1420 | 46.2100 | 27.6000 | 28.5000 |
| U2-U4 | 84.2810 | 84.8760 | 68.7090 | 69.5600 |
| U3-U4 | 58.0420 | 58.5270 | 100.2000 | 100.8080 |
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 | 59302.35070937 |
| 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 | 56.462 |
| HIERARCH ESO ISS PBL12 END | 56.479 |
| HIERARCH ESO ISS PBLA12 START | 14.5 |
| HIERARCH ESO ISS PBLA12 END | 15.2 |
| HIERARCH ESO ISS PBL13 START | 101.932 |
| HIERARCH ESO ISS PBL13 END | 102.008 |
| HIERARCH ESO ISS PBLA13 START | 20.4 |
| HIERARCH ESO ISS PBLA13 END | 21.2 |
| HIERARCH ESO ISS PBL14 START | 125.898 |
| HIERARCH ESO ISS PBL14 END | 126.421 |
| HIERARCH ESO ISS PBLA14 START | 47.362 |
| HIERARCH ESO ISS PBLA14 END | 48.274 |
| HIERARCH ESO ISS PBL23 START | 46.142 |
| HIERARCH ESO ISS PBL23 END | 46.21 |
| HIERARCH ESO ISS PBLA23 START | 27.6 |
| HIERARCH ESO ISS PBLA23 END | 28.5 |
| HIERARCH ESO ISS PBL24 START | 84.281 |
| HIERARCH ESO ISS PBL24 END | 84.876 |
| HIERARCH ESO ISS PBLA24 START | 68.709 |
| HIERARCH ESO ISS PBLA24 END | 69.56 |
| HIERARCH ESO ISS PBL34 START | 58.042 |
| HIERARCH ESO ISS PBL34 END | 58.527 |
| HIERARCH ESO ISS PBLA34 START | 100.2 |
| HIERARCH ESO ISS PBLA34 END | 100.808 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005978 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006326 |
| HIERARCH ESO ISS AMBI TEMP | 11.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |