Exposure
- ID
- GRAVI.2021-03-30T06:38:38.594_2
- Header ID
- GRAVI.2021-03-30T06:38:38.594
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 06:45:24 UTC+0000
- UTC Start
- 2021-03-30 06:38:38.594
- UTC End
- 2021-03-30 06:40:18.594
- MJD Start
- 59303.27683558
- MJD End
- 59303.2779929874
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004094
- Ambient temperature (°C)
- 12.97
- Seeing (arcsec)
- 0.86
Observation
- ID
- 47319
- 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
- 35485
- Name
- IRS16C
- RA
- 266.417115
- DEC
- -29.0076495277778
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 | 56.2270 | 56.2270 | 359.9000 | 0.3000 |
| U1-U3 | 100.6930 | 100.7060 | 4.6000 | 5.0000 |
| U1-U4 | 114.3720 | 114.6250 | 27.5860 | 28.1030 |
| U2-U3 | 44.8830 | 44.9030 | 10.4000 | 10.8000 |
| U2-U4 | 69.6320 | 70.0050 | 49.5860 | 50.1220 |
| U3-U4 | 44.9050 | 45.2830 | 88.7290 | 89.0160 |
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 | 59303.27683558 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.227 |
| HIERARCH ESO ISS PBL12 END | 56.227 |
| HIERARCH ESO ISS PBLA12 START | 359.9 |
| HIERARCH ESO ISS PBLA12 END | 0.3 |
| HIERARCH ESO ISS PBL13 START | 100.693 |
| HIERARCH ESO ISS PBL13 END | 100.706 |
| HIERARCH ESO ISS PBLA13 START | 4.6 |
| HIERARCH ESO ISS PBLA13 END | 5.0 |
| HIERARCH ESO ISS PBL14 START | 114.372 |
| HIERARCH ESO ISS PBL14 END | 114.625 |
| HIERARCH ESO ISS PBLA14 START | 27.586 |
| HIERARCH ESO ISS PBLA14 END | 28.103 |
| HIERARCH ESO ISS PBL23 START | 44.883 |
| HIERARCH ESO ISS PBL23 END | 44.903 |
| HIERARCH ESO ISS PBLA23 START | 10.4 |
| HIERARCH ESO ISS PBLA23 END | 10.8 |
| HIERARCH ESO ISS PBL24 START | 69.632 |
| HIERARCH ESO ISS PBL24 END | 70.005 |
| HIERARCH ESO ISS PBLA24 START | 49.586 |
| HIERARCH ESO ISS PBLA24 END | 50.122 |
| HIERARCH ESO ISS PBL34 START | 44.905 |
| HIERARCH ESO ISS PBL34 END | 45.283 |
| HIERARCH ESO ISS PBLA34 START | 88.729 |
| HIERARCH ESO ISS PBLA34 END | 89.016 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003443 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004745 |
| HIERARCH ESO ISS AMBI TEMP | 12.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.86 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1076 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5383 |