Exposure
- ID
- GRAVI.2021-03-28T06:41:38.113_2
- Header ID
- GRAVI.2021-03-28T06:41:38.113
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 06:50:36 UTC+0000
- UTC Start
- 2021-03-28 06:41:38.113
- UTC End
- 2021-03-28 06:43:18.113
- MJD Start
- 59301.27891334
- MJD End
- 59301.2800707474
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043145
- Ambient temperature (°C)
- 12.25
- Seeing (arcsec)
- 0.74
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 | 56.2280 | 56.2270 | 359.2000 | 359.6000 |
| U1-U3 | 100.6670 | 100.6790 | 3.8000 | 4.2000 |
| U1-U4 | 113.8390 | 114.0880 | 26.4660 | 26.9950 |
| U2-U3 | 44.8420 | 44.8610 | 9.5000 | 10.0000 |
| U2-U4 | 68.8330 | 69.2080 | 48.4160 | 48.9700 |
| U3-U4 | 44.0850 | 44.4720 | 88.1060 | 88.4010 |
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 | 59301.27891334 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16C |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.227 |
| HIERARCH ESO ISS PBLA12 START | 359.2 |
| HIERARCH ESO ISS PBLA12 END | 359.6 |
| HIERARCH ESO ISS PBL13 START | 100.667 |
| HIERARCH ESO ISS PBL13 END | 100.679 |
| HIERARCH ESO ISS PBLA13 START | 3.8 |
| HIERARCH ESO ISS PBLA13 END | 4.2 |
| HIERARCH ESO ISS PBL14 START | 113.839 |
| HIERARCH ESO ISS PBL14 END | 114.088 |
| HIERARCH ESO ISS PBLA14 START | 26.466 |
| HIERARCH ESO ISS PBLA14 END | 26.995 |
| HIERARCH ESO ISS PBL23 START | 44.842 |
| HIERARCH ESO ISS PBL23 END | 44.861 |
| HIERARCH ESO ISS PBLA23 START | 9.5 |
| HIERARCH ESO ISS PBLA23 END | 10.0 |
| HIERARCH ESO ISS PBL24 START | 68.833 |
| HIERARCH ESO ISS PBL24 END | 69.208 |
| HIERARCH ESO ISS PBLA24 START | 48.416 |
| HIERARCH ESO ISS PBLA24 END | 48.97 |
| HIERARCH ESO ISS PBL34 START | 44.085 |
| HIERARCH ESO ISS PBL34 END | 44.472 |
| HIERARCH ESO ISS PBLA34 START | 88.106 |
| HIERARCH ESO ISS PBLA34 END | 88.401 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00408 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004549 |
| HIERARCH ESO ISS AMBI TEMP | 12.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.047 |
| HIERARCH ESO FT ROBJ DELTA | -290026.945 |