Exposure
- ID
- GRAVI.2024-05-30T06:49:42.170_2
- Header ID
- GRAVI.2024-05-30T06:49:42.170
- Date updated
- 2024-05-30 07:05:27 UTC+0000
- Release date
- 2025-05-30 07:05:27 UTC+0000
- UTC Start
- 2024-05-30 06:49:42.170
- UTC End
- 2024-05-30 06:55:42.170
- MJD Start
- 60460.28451586
- MJD End
- 60460.2886825267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004951
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.45
Observation
- ID
- 59446
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 55.7620 | 55.6350 | 31.4000 | 32.0000 |
| U1-U3 | 100.7170 | 100.4200 | 37.8000 | 38.4000 |
| U1-U4 | 127.0130 | 126.3290 | 66.3600 | 67.0120 |
| U2-U3 | 45.7210 | 45.5500 | 45.6000 | 46.2000 |
| U2-U4 | 87.3410 | 86.8390 | 87.8010 | 88.5760 |
| U3-U4 | 61.6670 | 61.4340 | 117.6730 | 118.5740 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.28451586 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.762 |
| HIERARCH ESO ISS PBL12 END | 55.635 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 32.0 |
| HIERARCH ESO ISS PBL13 START | 100.717 |
| HIERARCH ESO ISS PBL13 END | 100.42 |
| HIERARCH ESO ISS PBLA13 START | 37.8 |
| HIERARCH ESO ISS PBLA13 END | 38.4 |
| HIERARCH ESO ISS PBL14 START | 127.013 |
| HIERARCH ESO ISS PBL14 END | 126.329 |
| HIERARCH ESO ISS PBLA14 START | 66.36 |
| HIERARCH ESO ISS PBLA14 END | 67.012 |
| HIERARCH ESO ISS PBL23 START | 45.721 |
| HIERARCH ESO ISS PBL23 END | 45.55 |
| HIERARCH ESO ISS PBLA23 START | 45.6 |
| HIERARCH ESO ISS PBLA23 END | 46.2 |
| HIERARCH ESO ISS PBL24 START | 87.341 |
| HIERARCH ESO ISS PBL24 END | 86.839 |
| HIERARCH ESO ISS PBLA24 START | 87.801 |
| HIERARCH ESO ISS PBLA24 END | 88.576 |
| HIERARCH ESO ISS PBL34 START | 61.667 |
| HIERARCH ESO ISS PBL34 END | 61.434 |
| HIERARCH ESO ISS PBLA34 START | 117.673 |
| HIERARCH ESO ISS PBLA34 END | 118.574 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003768 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |