Exposure
- ID
- GRAVI.2021-05-23T03:42:12.032_1
- Header ID
- GRAVI.2021-05-23T03:42:12.032
- Date updated
- 2021-05-23 03:50:41 UTC+0000
- Release date
- 2022-05-23 03:50:41 UTC+0000
- UTC Start
- 2021-05-23 03:42:12.032
- UTC End
- 2021-05-23 03:43:52.032
- MJD Start
- 59357.15430593
- MJD End
- 59357.1554633374
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054635
- Ambient temperature (°C)
- 12.01
- Seeing (arcsec)
- 0.35
Observation
- ID
- 47446
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35585
- Name
- IRS16NW
- RA
- 266.416894
- DEC
- -29.00717
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2630 | 56.2680 | 5.1000 | 5.5000 |
| U1-U3 | 101.0130 | 101.0400 | 10.3000 | 10.7000 |
| U1-U4 | 118.5310 | 118.8040 | 35.2930 | 35.7580 |
| U2-U3 | 45.2700 | 45.2980 | 16.8000 | 17.2000 |
| U2-U4 | 75.3800 | 75.7350 | 57.3140 | 57.7650 |
| U3-U4 | 50.4140 | 50.7360 | 92.9910 | 93.2500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.15430593 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416894 |
| DEC | -29.00717 |
| 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 | 56.263 |
| HIERARCH ESO ISS PBL12 END | 56.268 |
| HIERARCH ESO ISS PBLA12 START | 5.1 |
| HIERARCH ESO ISS PBLA12 END | 5.5 |
| HIERARCH ESO ISS PBL13 START | 101.013 |
| HIERARCH ESO ISS PBL13 END | 101.04 |
| HIERARCH ESO ISS PBLA13 START | 10.3 |
| HIERARCH ESO ISS PBLA13 END | 10.7 |
| HIERARCH ESO ISS PBL14 START | 118.531 |
| HIERARCH ESO ISS PBL14 END | 118.804 |
| HIERARCH ESO ISS PBLA14 START | 35.293 |
| HIERARCH ESO ISS PBLA14 END | 35.758 |
| HIERARCH ESO ISS PBL23 START | 45.27 |
| HIERARCH ESO ISS PBL23 END | 45.298 |
| HIERARCH ESO ISS PBLA23 START | 16.8 |
| HIERARCH ESO ISS PBLA23 END | 17.2 |
| HIERARCH ESO ISS PBL24 START | 75.38 |
| HIERARCH ESO ISS PBL24 END | 75.735 |
| HIERARCH ESO ISS PBLA24 START | 57.314 |
| HIERARCH ESO ISS PBLA24 END | 57.765 |
| HIERARCH ESO ISS PBL34 START | 50.414 |
| HIERARCH ESO ISS PBL34 END | 50.736 |
| HIERARCH ESO ISS PBLA34 START | 92.991 |
| HIERARCH ESO ISS PBLA34 END | 93.25 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005825 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005102 |
| HIERARCH ESO ISS AMBI TEMP | 12.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1074 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5373 |