Exposure
- ID
- GRAVI.2024-05-30T03:32:35.669_2
- Header ID
- GRAVI.2024-05-30T03:32:35.669
- Date updated
- 2024-05-30 03:50:28 UTC+0000
- Release date
- 2025-05-30 03:50:28 UTC+0000
- UTC Start
- 2024-05-30 03:32:35.669
- UTC End
- 2024-05-30 03:38:35.669
- MJD Start
- 60460.14763506
- MJD End
- 60460.1518017267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005449
- Ambient temperature (°C)
- 16.29
- Seeing (arcsec)
- 0.54
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 | 56.3090 | 56.3270 | 7.8000 | 8.7000 |
| U1-U3 | 101.2530 | 101.3420 | 13.3000 | 14.3000 |
| U1-U4 | 120.7610 | 121.5100 | 38.9890 | 40.2010 |
| U2-U3 | 45.5140 | 45.6000 | 20.0000 | 21.1000 |
| U2-U4 | 78.2040 | 79.1250 | 60.8620 | 62.0100 |
| U3-U4 | 52.9290 | 53.7270 | 95.0800 | 95.7820 |
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 | 60460.14763506 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416851 |
| DEC | -29.00733 |
| 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 | 56.309 |
| HIERARCH ESO ISS PBL12 END | 56.327 |
| HIERARCH ESO ISS PBLA12 START | 7.8 |
| HIERARCH ESO ISS PBLA12 END | 8.7 |
| HIERARCH ESO ISS PBL13 START | 101.253 |
| HIERARCH ESO ISS PBL13 END | 101.342 |
| HIERARCH ESO ISS PBLA13 START | 13.3 |
| HIERARCH ESO ISS PBLA13 END | 14.3 |
| HIERARCH ESO ISS PBL14 START | 120.761 |
| HIERARCH ESO ISS PBL14 END | 121.51 |
| HIERARCH ESO ISS PBLA14 START | 38.989 |
| HIERARCH ESO ISS PBLA14 END | 40.201 |
| HIERARCH ESO ISS PBL23 START | 45.514 |
| HIERARCH ESO ISS PBL23 END | 45.6 |
| HIERARCH ESO ISS PBLA23 START | 20.0 |
| HIERARCH ESO ISS PBLA23 END | 21.1 |
| HIERARCH ESO ISS PBL24 START | 78.204 |
| HIERARCH ESO ISS PBL24 END | 79.125 |
| HIERARCH ESO ISS PBLA24 START | 60.862 |
| HIERARCH ESO ISS PBLA24 END | 62.01 |
| HIERARCH ESO ISS PBL34 START | 52.929 |
| HIERARCH ESO ISS PBL34 END | 53.727 |
| HIERARCH ESO ISS PBLA34 START | 95.08 |
| HIERARCH ESO ISS PBLA34 END | 95.782 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007051 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003847 |
| HIERARCH ESO ISS AMBI TEMP | 16.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |