SLIDE 1 W H AT T H E S K Y M A P P E R S O U T H E R N S K Y S U R V E Y C A N D O F O R Y O U
L O U I S E H O W E S
A L O N G W I T H T H E S K Y M A P P E R T E A M
S U R V E Y S F O R A L L , F E B 1 S T & 2 N D 2 0 1 6 , L U N D O B S E R VAT O RY
SLIDE 2
W H AT I S S K Y M A P P E R ?
SLIDE 3
W H AT I S S K Y M A P P E R ?
SLIDE 4
1.35m primary mirror 5.7 square degree field-of-view Situated at Siding Spring Observatory, NSW
W H AT I S S K Y M A P P E R ?
SLIDE 5 H I S T O RY O F S K Y M A P P E R
- 2002 - First plans for an all-southern sky survey.
SLIDE 6 H I S T O RY O F S K Y M A P P E R
- 2002 - First plans for an all-southern sky survey.
- 2003 - Canberra bush fires:
SLIDE 7 H I S T O RY O F S K Y M A P P E R
- 2002 - First plans for an all-southern sky survey.
- 2003 - Canberra bush fires.
- 2004 - Work starts on new survey telescope.
SLIDE 8 H I S T O RY O F S K Y M A P P E R
- 2002 - First plans for an all-southern sky survey.
- 2003 - Canberra bush fires.
- 2004 - Work starts on new survey telescope.
- 2007 - Telescope put together in Tuscon, AZ:
SLIDE 9 H I S T O RY O F S K Y M A P P E R
- 2002 - First plans for an all-southern sky survey.
- 2003 - Canberra bush fires.
- 2004 - Work starts on new survey telescope.
- 2007 - Telescope put together in Tuscon, AZ.
- 2009 - SkyMapper completed, commissioning
begins…
SLIDE 10
H I S T O RY O F S K Y M A P P E R
SLIDE 11
H I S T O RY O F S K Y M A P P E R
And the problems started…
SLIDE 12 H I S T O RY O F S K Y M A P P E R
- And the problems started…
- CCD array develops saturation problems.
- Two chips fail completely.
- Trouble focussing the primary mirror.
- Plumbing prevents the aircon from working in
the dome.
- Plague of ladybirds
- Biggest problem: telescope vibrations.
- Oh, and another fire…
SLIDE 13
H I S T O RY O F S K Y M A P P E R
SLIDE 14 W H Y S K Y M A P P E R ?
- With the survey now in progress, what
advantages does SkyMapper have over
SLIDE 15
U N I Q U E F I LT E R S E T
SLIDE 16 S T E L L A R P H O T O M E T RY
K E L L E R E T A L . 2 0 0 7
SLIDE 17
S T E L L A R P H O T O M E T RY
SLIDE 18
E X T R A - G A L A C T I C
SLIDE 19 S H O RT S U R V E Y
Table 1
Filter Saturation ABmag 5𝞃 limit DR1 u
7.5 20
v
8.3 20
g
9.3 18.5
r
9.5 18.5
i
9.7 17.5
z
9.3 16.5
SLIDE 20 M A I N S U R V E Y
Table 1
Filter Saturation ABmag 5𝞃 limit DR1 u
8.5 21.5
v
10.0 21.5
g
12.5 22.2
r
12.7 22.0
i
12.2 21.0
z
11.0 20.2
SLIDE 21 A L L K I N D S O F S C I E N C E …
The Stromlo Milky Way Satellite Survey
- Predicted to find 20 dwarf satellites in the Southern
hemisphere.
SLIDE 22 A L L K I N D S O F S C I E N C E …
The SkyMapper Supernova Survey
- Predicted to find 50-100 Type 1a Supernovae every
year, in redshift range 0.03 < z < 0.2.
SLIDE 23 A L L K I N D S O F S C I E N C E …
Searching for Trans-Neptunian Objects
- Predicted to find around 2000 TNOs across the sky.
SLIDE 24 A L L K I N D S O F S C I E N C E …
Searching for Trans-Neptunian Objects
- Predicted to find around 2000 TNOs across the sky.
… Planet 9?
SLIDE 25 www.findplanetnine.com
SkyMapper
SLIDE 26
A N D M Y K I N D O F S C I E N C E …
The EMBLA Survey: Extremely Metal-poor stars in the BuLge with AAOmega
SLIDE 27 T H E O L D E S T S TA R S I N T H E G A L A X Y ?
- 60 fields in the bulge,
- bserving > 5 million
stars.
with intermediate resolution spectroscopy.
stars with [Fe/H]<-2.0.
high-res with VLT, Magellan & Gaia-ESO.
SLIDE 28 T H E O L D E S T S TA R S I N T H E G A L A X Y ?
motions from OGLE.
the bulge.
with high carbon abundances.
probability of forming at z > 15.
SLIDE 29 S K Y M A P P E R T I M E L I N E
- Survey started 18 March 2014.
- First short-survey release: Feb 2016 (Aus), Feb
2017 (World).
- Full short-survey, partial main-survey release:
Autumn 2016 (Aus), 2017 (World).
- Estimated completion: early 2019.
