Exposure
- ID
- GRAVI.2021-03-30T06:29:17.571_2
- Header ID
- GRAVI.2021-03-30T06:29:17.571
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 06:40:27 UTC+0000
- UTC Start
- 2021-03-30 06:29:17.571
- UTC End
- 2021-03-30 06:30:57.571
- MJD Start
- 59303.27034226
- MJD End
- 59303.2714996674
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035165
- Ambient temperature (°C)
- 13.09
- Seeing (arcsec)
- 0.88
Observation
- ID
- 47317
- 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
- 35483
- Name
- IRS16NW
- RA
- 266.4168625
- DEC
- -29.0074847222222
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 | 56.2300 | 56.2290 | 358.6000 | 358.9000 |
| U1-U3 | 100.6480 | 100.6570 | 3.1000 | 3.4000 |
| U1-U4 | 113.3620 | 113.6040 | 25.4280 | 25.9600 |
| U2-U3 | 44.8070 | 44.8240 | 8.7000 | 9.1000 |
| U2-U4 | 68.1030 | 68.4750 | 47.3190 | 47.8820 |
| U3-U4 | 43.3220 | 43.7130 | 87.5230 | 87.8220 |
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 | 59303.27034226 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16C |
| 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 | 56.23 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 358.6 |
| HIERARCH ESO ISS PBLA12 END | 358.9 |
| HIERARCH ESO ISS PBL13 START | 100.648 |
| HIERARCH ESO ISS PBL13 END | 100.657 |
| HIERARCH ESO ISS PBLA13 START | 3.1 |
| HIERARCH ESO ISS PBLA13 END | 3.4 |
| HIERARCH ESO ISS PBL14 START | 113.362 |
| HIERARCH ESO ISS PBL14 END | 113.604 |
| HIERARCH ESO ISS PBLA14 START | 25.428 |
| HIERARCH ESO ISS PBLA14 END | 25.96 |
| HIERARCH ESO ISS PBL23 START | 44.807 |
| HIERARCH ESO ISS PBL23 END | 44.824 |
| HIERARCH ESO ISS PBLA23 START | 8.7 |
| HIERARCH ESO ISS PBLA23 END | 9.1 |
| HIERARCH ESO ISS PBL24 START | 68.103 |
| HIERARCH ESO ISS PBL24 END | 68.475 |
| HIERARCH ESO ISS PBLA24 START | 47.319 |
| HIERARCH ESO ISS PBLA24 END | 47.882 |
| HIERARCH ESO ISS PBL34 START | 43.322 |
| HIERARCH ESO ISS PBL34 END | 43.713 |
| HIERARCH ESO ISS PBLA34 START | 87.523 |
| HIERARCH ESO ISS PBLA34 END | 87.822 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003532 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003501 |
| HIERARCH ESO ISS AMBI TEMP | 13.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.047 |
| HIERARCH ESO FT ROBJ DELTA | -290026.945 |